COMB BIND BINDING RINGS 8MM BOX (x 100) – BLACK (BINDS 40 SHEETS)

The 21 hole comb binding ring fits A4 sized paper (8.3 x 11.7inches), which is not a standard U.S letter paper size (8.5 x 11inches). Binding letter size need to use the scissor to cut off two rings. The picture shows the difference between A4 and letter size paper.
Sheet Capacity: 40; Spine Diameter: 5/16″; Number of Rings: 21, length: 11.8inches/ 30cm.
Get a professional edge! Quantity/Unit – 100/Box
Available in a variety of sizes and colors to bind 2-40 page documents. 3mm margin for binding 2-40 sheets ( max binding thickness: 0.16in/ 5mm ) , 6mm margin for binding 20 sheets ( max binding thickness: 0.09in/2mm )
Designed for a variety binding of paper size. Perfect for internal reports and functional documents.