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3:1 Pitch Wire Binding Spines

3:1 pitch wire-o binding supplies feature 3 loops per inch and pair with any 3:1 pitch wire binding machine. Also called twin loop or double-o wires, these binding spines offer a classic and clean metal finish that loops great and offers full 360° page turning. 3:1 pitch Wire-O comes in sizes from 1/4 inch up to 9/16 inch, which means it can be used for books from 2 to 120 sheets in size. All sizes are available in bulk, 100 wires per box.

Wire-O binding is known by many names: double-loop, double-o, duo-wire, and also twin-loop binding. This method uses a continuous hinge of double wire loops to hold book covers and pages together. This traditional method of wire binding secures pages, so that they cannot be modified without unbinding the book.

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3:1 Pitch Wire
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Price  
  1. $0 - $19 7 items
  2. $19 - $34 6 items
  3. $34+ 5 items
Color  
  1. White 1 item
  2. Black 3 items
  3. Blue 2 items
  4. Navy 2 items
  5. Silver 2 items
  6. Pewter 2 items
  7. Gray 1 item
  8. Green 1 item
  9. Red 1 item
  10. Maroon 1 item
  11. Gold 1 item
Show more
Size  
  1. 3/16" 2 items
  2. 1/4" 11 items
  3. 5/16" 11 items
  4. 3/8" 10 items
  5. 7/16" 10 items
  6. 1/2" 11 items
  7. 9/16" 11 items
Show more
Brand  
  1. Fellowes 3 items
  2. GBC 5 items
  3. James Burn 10 items

18 Items

View As List Grid
  1. Black 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Black 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    6 Reviews
    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $17.19

    Choose Below
    Product Name Item Number Price Qty
    1/4" Black Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014BLACK
    $17.19
    5/16" Black Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516BLACK
    $29.05
    3/8" Black Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038BLACK
    $34.29
    7/16" Black Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716BLACK
    $38.55
    1/2" Black Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012BLACK
    $40.69
    9/16" Black Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916BLACK
    $47.15
  2. White 3:1 Wire-O Twin-Loop Binding Spines Image 1

    White 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $18.19

    Choose Below
    Product Name Item Number Price Qty
    3/16" White Wire-O Binding Supplies [3:1 Pitch, 10 Sheet Capacity (approx)] (100/Bx) 27316WHITE
    $21.99
    1/4" White Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014WHITE
    $18.19
    5/16" White Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516WHITE
    $29.09
    3/8" White Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038WHITE
    $34.29
    7/16" White Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716WHITE
    $38.59
    1/2" White Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012WHITE
    $41.49
    9/16" White Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916WHITE
    $47.99
  3. 3:1 Silver Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Silver 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    5 Reviews
    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $18.19

    Choose Below
    Product Name Item Number Price Qty
    1/4" Silver Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014SILVE
    $18.19
    5/16" Silver Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516SILVE
    $30.09
    3/8" Silver Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038SILVE
    $34.29
    7/16" Silver Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716SILVE
    $38.59
    1/2" Silver Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012SILVE
    $45.19
    9/16" Silver Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916SILVE
    $47.99
  4. Gold 3:1 Wire-O Twin-Loop Binding Spines Image 1

    Gold 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $20.99

    Choose Below
    Product Name Item Number Price Qty
    1/4" Gold Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014GOLD
    $20.99
    5/16" Gold Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516GOLD
    $30.09
    3/8" Gold Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038GOLD
    $36.29
    7/16" Gold Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716GOLD
    $39.49
    1/2" Gold Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012GOLD
    $47.69
    9/16" Gold Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916GOLD
    $56.59
  5. 3:1 Blue Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Blue 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $19.79

    Choose Below
    Product Name Item Number Price Qty
    1/4" Blue Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014BLUE
    $19.79
    5/16" Blue Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516BLUE
    $26.65
    3/8" Blue Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038BLUE
    $34.29
    7/16" Blue Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716BLUE
    $38.55
    1/2" Blue Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012BLUE
    $45.19
    9/16" Blue Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916BLUE
    $52.65
  6. 3:1 Pewter Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Pewter 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    2 Reviews
    • Available in sizes from 1/4" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $32.29

    Choose Below
    Product Name Item Number Price Qty
    1/4" Pewter Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014PEWTR
    $32.29
    5/16" Pewter Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516PEWTR
    $33.99
    3/8" Pewter Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038PEWTR
    $36.39
    7/16" Pewter Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716PEWTR
    $46.89
    1/2" Pewter Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012PEWTR
    $48.69
    9/16" Pewter Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916PEWTR
    $54.59
  7. 3:1 Gray Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Gray 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $34.09

    Choose Below
    Product Name Item Number Price Qty
    1/4" Gray Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014GRAY
    $34.09
    5/16" Gray Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516GRAY
    $34.69
    3/8" Gray Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038GRAY
    $37.49
    7/16" Gray Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716GRAY
    $47.59
    1/2" Gray Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012GRAY
    $49.79
    9/16" Gray Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916GRAY
    $56.29
  8. Fellowes 3:1 Black Double-Loop Wire Binding Spines

    Fellowes 3:1 Black Double-Loop Wire Binding Spines

    • Provide a professional appearance to bound documents
    • Compatible with most wire-binding machines with 3:1 punching pitch and 32-hole pattern.
    • Diameter: 1/4" - 9/16"
    • Sheet Capacity: 2 -130 Sheets
    • Free Shipping $75+
    Starting At:

    $10.79

    Choose Below
    Product Name Item Number Price Qty
    Fellowes 5/16" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25 275255201
    $18.39
    Fellowes 3/8" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25 2752541
    $20.29
    Fellowes 1/2" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25 275255401
    $27.29
    Fellowes 1/4" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25 27FEL52539
    $10.79
    Fellowes 9/16" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25 275255601
    $18.89
  9. 3:1 Navy Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Navy 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    2 Reviews
    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $33.99

    Choose Below
    Product Name Item Number Price Qty
    1/4" Navy Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014NAVY
    $34.09
    5/16" Navy Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516NAVY
    $33.99
    3/8" Navy Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038NAVY
    $37.59
    7/16" Navy Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716NAVY
    $46.89
    1/2" Navy Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012NAVY
    $48.69
    9/16" Navy Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916NAVY
    $54.59
  10. 3:1 Red Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Red 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    2 Reviews
    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $19.79

    Choose Below
    Product Name Item Number Price Qty
    3/16" Red Wire-O Binding Supplies [3:1 Pitch, 10 Sheet Capacity (approx)] (100/Bx) 27316RED
    $24.29
    1/4" Red Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014RED
    $19.79
    5/16" Red Wire-O Binding Supplies [3:1 Pitch, 45 Sheet Capacity (approx)] (100/Bx) 27516RED
    $33.29
    3/8" Red Wire-O Binding Supplies [3:1 Pitch, 65 Sheet Capacity (approx)] (100/Bx) 27038RED
    $36.39
    7/16" Red Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716RED
    $35.29
    1/2" Red Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012RED
    $45.19
    9/16" Red Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916RED
    $52.79
  11. 3:1 Forest Green Wire Binding Spine | Twin Loop Metal Binder Supplies with 3:1 Pitch Spacing for Small Books

    Green 3:1 Wire-O Twin-Loop Binding Spines (Box of 100)

    Rating:
    100%
    1 Review
    • Available in sizes from 3/16" up to 9/16"
    • Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360
    • Offer a semi-secure binding method that can only be un-bound if cut off.
    • Sheet Capacity: 2 - 120 Sheets
    • Free Shipping $75+
    Starting At:

    $34.09

    Choose Below
    Product Name Item Number Price Qty
    7/16" Green Wire-O Binding Supplies [3:1 Pitch, 80 Sheet Capacity (approx)] (100/Bx) 27716GREEN
    $47.59
    1/2" Green Wire-O Binding Supplies [3:1 Pitch, 100 Sheet Capacity (approx)] (100/Bx) 27012GREEN
    $49.79
    1/4" Green Wire-O Binding Supplies [3:1 Pitch, 25 Sheet Capacity (approx)] (100/Bx) 27014GREEN
    $34.09
    9/16" Green Wire-O Binding Supplies [3:1 Pitch, 120 Sheet Capacity (approx)] (100/Bx) 27916GREEN
    $56.29
  12. Fellowes 5/16" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25

    Fellowes 5/16" 3:1 Black Double-Loop Wire Binding Spines - Pack of 25

    • Provide a professional appearance to bound documents
    • Compatible with most wire-binding machines with 3:1 punching pitch and 32-hole pattern.
    • Diameter: 5/16"
    • Sheet Capacity: 30-50 Sheets (20 lb. Bond Paper)

    $18.39

  13. GBC Premium Silver 7/16" 3:1 Twin Loop Wire - 9775027 Image 1

    GBC Premium Silver 7/16" 3:1 Twin Loop Wire - 9775027

    • Capacity: Approx. 60-80 sheets (20lb bond)
    • Quantity: 100 pk
    • Hole Pattern: 32 Hole
    • Length: 11"

    $49.79

  14. GBC Premium Silver 9/16" 3:1 Twin Loop Wire - 9775037 Image 1

    GBC Premium Silver 9/16" 3:1 Twin Loop Wire - 9775037

    • Capacity: Approx. 100-120 sheets (20lb bond)
    • Quantity: 100 pk
    • Hole Pattern: 32 Hole
    • Length: 11"

    $60.79

  15. GBC Premium Gray 1/2" 3:1 Twin Loop Wire - 9774037 Image 1

    GBC Premium Gray 1/2" 3:1 Twin Loop Wire - 9774037

    • Capacity: Approx. 80-100 sheets (20lb bond)
    • Quantity: 100 pk
    • Hole Pattern: 32 Hole
    • Length: 11"

    $33.12

  16. GBC Premium Green 1/2" 3:1 Twin Loop Wire - 9774015 Image 1

    GBC Premium Green 1/2" 3:1 Twin Loop Wire - 9774015

    • Capacity: Approx. 80-100 sheets (20lb bond)
    • Quantity: 100 pk
    • Hole Pattern: 32 Hole
    • Length: 11"

    $34.59

  17. GBC Premium Green 7/16" 3:1 Twin Loop Wire - 9774014 Image 1

    GBC Premium Green 7/16" 3:1 Twin Loop Wire - 9774014

    • Capacity: Approx. 60-80 sheets (20lb bond)
    • Quantity: 100 pk
    • Hole Pattern: 32 Hole
    • Length: 11"
  18. Fellowes Premium 3/8" White Wire Binding Elements 25pk - 52542 Image 1

    Fellowes Premium 3/8" White Wire Binding Elements 25pk - 52542

    • Sheet Capacity: 51 - 80
    • Quantity: 25 pk
    • Hole Pattern: 32 Hole
    • Length: 11"

18 Items

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Learn more about 3:1 Pitch Wire

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Shopping Options
Price
  1. $0 - $19 7 items
  2. $19 - $34 6 items
  3. $34+ 5 items
Color
  1. White 1 item
  2. Black 3 items
  3. Blue 2 items
  4. Navy 2 items
  5. Silver 2 items
  6. Pewter 2 items
  7. Gray 1 item
  8. Green 1 item
  9. Red 1 item
  10. Maroon 1 item
  11. Gold 1 item
Show more
Size
  1. 3/16" 2 items
  2. 1/4" 11 items
  3. 5/16" 11 items
  4. 3/8" 10 items
  5. 7/16" 10 items
  6. 1/2" 11 items
  7. 9/16" 11 items
Show more
Brand
  1. Fellowes 3 items
  2. GBC 5 items
  3. James Burn 10 items

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