Bostitch Premium Standard Staples were developed for optimum performance in any standard stapler. Each full strip contains 210 staples & is constructed from superior quality high carbon wire to reduce buckling & jamming. The finely honed chisel points deliver maximum penetration for maximum sheet capacity. These standard staples won't snap or buckle like others of lesser quality. Developed from galvanized steel, these staples are also resistant to rust. The leg length is an ideal 1/4 or 6mm. Staple Collation: Full-Strip; Staples per Strip / Cartridge: 210; Sheet Capacity: 20; Leg Length: 0.25".