Features Specifications: heavy duty staples Material: galvanized steel wire, copperized steel wire or stainless steel wire,high strength and flash coat. 23 series:heavy duty staples Crown: 13.00mm Width: 0.79mm Thickness:0.59mm Length:6--24mm Packing:100pcs/Row Packing:1000pcs/Box or 5000pcs/box 200boxes/ carton or 5000pcs/box