Features: 80 staples 1) Gauge: 21 2) Crown: 12.80mm 3) Width: 0.95mm 4) Thickness: 0.65mm 5) Length: 4 - 16mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire 84 staples 1) Gauge: 21 2) Crown: 12.30mm 3) Width: 1.00mm 4) Thickness: 0.55mm 5) Length: 4 - 16mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire