Fellowes Letter-Size Plastic Comb Bindings, 5/16in, 40-Sheet Capacity, Black, Box Of 100

Wire binding combs offer a durable, professional way to permanently bind documents so they lie flat when open. Durable, double-loop wire combs ensure lasting performance. Secure closure permanently binds documents. Use with any wire-binding system with 3:1 punching pitch and 32-hole pattern.