COIL38-BK - TruBind Binding Spines - Plastic Spiral Coils - 38mm Diameter (1 1/2 inch) x 12 inch Length - 4 to 1 Pitch - Black - 50/Bx

DIAMETER: 38mm (1-1/2 in.) Durable plastic construction won't bend or snag, and they look great on business proposals, reports, menus, and more. LENGTH: 12 in. (Letter Size) PUNCH PATTERN: 4:1 (4 holes per 1 in.) APPROXIMATE BINDING CAPACITY: 330 sheets 20lb paper (1-3/8 in. thick) QUANTITY: 50 coils/ box