Bostitch Premium Staples for P3 Plier Stapler, 0.25-Inch Leg, 6 Boxes of 5,000 Per Box (SP191/4) 6 boxes of 5,000 staples per box PowerCrown Premium Staples are designed specifically for optimized performance in Bostitch P3-Chrome Plier Stapler Made from superior quality high carbon wire to reduce buckling and jamming The finely honed chisel points deliver maximum penetration for maximum sheet capacity