GBC 4000118 1 in. Diameter 225 Sheet Capacity CombBind Standard Spines - Black (100/Box)

Communicate your ideas with professional polish. 19-ring plastic spines won't scratch, chip, peel or discolor. Bind 11 x 8 1/2 documents. Editing capability with a machine. Compatible with GBC and other plastic comb binding machines. To select correct diameter, measure thickness of material (including covers) and add 1/8". Sheet Capacity: 225; Spine Diameter: 1"; Number of Rings: 19; Color(s): Black.

Reusable design lets you add and remove letter-size pages for quick edits Rigid plastic won't scratch, chip, peel or discolor for lasting use Use in GBC and other plastic comb binding machines (sold separately)