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Martin Yale Master® MP40 3-Hole Punch

Item #: 04MYMP40

The Martin Yale Master® MP40 3-Hole Punch will punch through as many as 30 sheets* at a time with standard three-hole spacing for ring binders and more. The slightly over-sized 9/32" holes make for easy page turning while the standard hole spacing of 4 ¼" (center to center) ensures compatibility with any standard US letter size binder. Made of all steel, the MP40 puncher is durable enough to be used daily by multiple users, making it a good choice for an office environment. It has a full sized handle that spans the entire width of the punch and is padded, offering unique comfort for the user, which is great for when it is used frequently. A non-skid bottom keeps the office puncher firmly on your work space during punching, and an adjustable paper guide lets you perfectly center your pages. Buy the Martin Yale Master® MP40 3-Hole Punch online and bring comfort and usability to your office.


Product Description


The MP40 punches through up to 30 sheets of 20# Bond stock in a standard ring binder format. Premium features include soft-touch padded handle, non-skid base and adjustable paper guide. All steel construction.

  • Punches through up to 30 sheets of 20lb. bond paper
  • Soft-touch padded and over-sized handle for easier punching
  • Pre-set to punch 9/32" diameter holes to fit a standard 3-ring binder
  • Handle locks down for storage and safety
  • Adjustable paper guide
  • Large capacity paper chip pan
  • Non-skid base
  • Lock down handle for storage and safety
  • Heavy gauge steel construction
* Capacity will vary depending on the paper stock being punched. Rating based on standard 20 lb. bond copy paper.


Item # 04MYMP40
Manufacturer Martin Yale
Manufacturer Part Number MP40
UPC/EIN 0-15086-99940-7
Model Martin Yale MP40
Dimensions 10 1/2" L x 6" W x 3" H
Number of Holes 3-Holes
Hole Size 9/32" (0.28")
Hole Spacing 4 ¼"
Maximum Number of Heads 3
Punch Heads Included 3
Adjustable Margin Depth No
Maximum Margin Depth 7/16" Max
Shipping Weight (lbs) 3

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