Specifications: 1) Crown: a) Inside: 10.07mm b) Outside: 11.60mm 2) Dimensions: a) Width: 0.50mm b) Thickness: 0.45mm c) Length: 22mm 3) Material: galvanized and copper coated 4) Point: chisel 5) Special sizes available We can supply a variety of staples (one model can be in different sizes). For carton staples, we have 3322, 3518 and more.