Features: 4J staples 1) Gauge: 20 2) Crown: 5.20mm 3) Width: 1.20mm 4) Thickness: 0.60mm 5) Length: 4 - 25mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire 10J staples 1) Gauge: 20 2) Crown: 11.20mm 3) Width: 1.20mm 4) Thickness: 0.60mm 5) Length: 4 - 22mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire 12J(88) staples 1) Gauge: 20 2) Crown: 13.20mm 3) Width: 1.25mm 4) Thickness: 0.50mm 5) Length: 10 - 25mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire 50 staples 1) Gauge: 20 2) Crown: 12.50mm 3) Width: 1.25mm 4) Thickness: 0.50mm 5) Length: 3 - 16mm 6) Material: zinc plating wire, copper wire, stainless wire, color wire