2" screw lock binder rings are a more secure method to bind scrap books and photo albums, and so much more. They are a common solution for furniture stores as fabric swatch rings. Screw locking rings are rounded, but feature one flat edge that has a unique locking feature that screws on, ensuring a very secure hold.
|Manufacturer||North American Plastics Company [NAPCO]|
|Manufacturer Part Number||NAP1052|
|Shipping Weight (lbs)||3|