Staples from 2 up to 120 sheets of 20-lb paper Compact, anti-jam, contemporary design with all-metal construction. Uses heavy-duty Stanley Bostitch SB35 staples in 1/4in., 3/8in., 1/2in. and 5/8in. leg lengths. Requires different staple sizes based on capacity. Rubber base pads protect work surface. Stanley-Bostitch Staplers & Staples part of a large selection of office supplies. Stanley(R) Bostitch B310HDS Heavy-Duty Stapler, Black is one of many Heavy-Duty Staplers available through Office Depot. Made by Stanley-Bostitch.