Communicate your ideas with professional polish.19-ring plastic spines won't scratch, chip, peel or discolor.Binds 11 x 8 1/2 documents.Perfect for internal reports and functional 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".
CombBind Standard Spines, 1/4" Diameter, 25 Sheet Capacity, Black, 100/Box