Finely honed chisel points for maximum penetration Superior quality high carbon steel wire reduces buckling and jamming Full strip staples each strip contains 21 staples Standard 1/4 inches leg length that fits in any standard swingline bostitch paperpro or universal stapler. Quantity 5000 staples per box Standard staples manufactured from superior quality high carbon steel wire, easy stapling performance. Sharp chisel point ensures less jamming. These staples also have 15% fewer misforms than the competition. 1/4" leg length, 210 staples per strip, 5000 staples per box.