Feature:1. INCISIVE BLADE: The punch hole set has a special design that saves working time and cuts multiple layers of fabric with ease.2. CARBON STEEL MATERIAL: The punch hole set is made of durable, heat treated carbon steel for high hardness, wear resistance and durability.3. WIDE APPLICATION: The punch hole sets can be used to drill holes in joints, leather, plastic, rubber or vinyl for a wide range of uses.4. VARIOUS SPECIFICATIONS: The punch hole set contains ten different sizes of punches, which can punch ten different sizes of holes, very practical.5. LONG SERVICE LIFE: The punch set is heat treated for high hardness, not easily deformed, wear resistant, long life and durability.Specification:Item Type: Belt Punch SetMaterial: Carbon steelSize:Approx. 79 x 1mm / 3.11 x 0.04inApprox.79 x 2mm / 3.11 x 0.08inApprox.79 x 3mm / 3.11 x 0.12inApprox.83 x 4mm / 3.27 x 0.16inApprox.83 x 5mm / 3.27 x 0.2inApprox.83 x 6mm / 3.27 x 0.24inApprox.83 x 7mm / 3.27 x 0.28inApprox.86 x 8mm / 3.39 x 0.31inApprox.90 x 9mm / 3.54 x 0.35inApprox.92 x 10mm / 3.62 x 0.39inUses: Belt punch.Package List:1 x 79 x 1mm Hole Punch1 x 79 x 2mm Hole Punch1 x 79 x 3mm Hole Punch1 x 83 x 4mm Hole Punch 1 x 83 x 5mm Hole Punch 1 x 83 x 6mm Hole Punch1 x 83 x 7mm Hole Punch 1 x 86 x 8mm Hole Punch 1 x 90 x 9mm Hole Punch1 x 92 x 10mm Hole Punch