FELLOWES Wire Bindings for 11 x 8.5 Documents, 32 Rings, 0.5" (100-Sheet) Capacity, Black, 25/Pack - 5255401Features Create a professional look for bound reports and presentations. Durable, double loop wire binding combs provide exceptional durability. Use with any wire binding system with a 3: 1 punching pitch and 32 hole pattern. Secure closure permanently binds documents. Works great for the office and home office. Double loop wire binding combs offer exceptional durability. Secure closure permanently binds documents. For use with any wire binding system