Make sure this fitsby entering your model number. [Metal Shell]: Made of high quality metal, the metal hole puncher has the advantages of stability and durability, anti-fall and anti-wear. [Parameters]: Punch thickness: <2.0mm thickness Iron / â‰¤0.1MM steel plate/ <3.0mm aluminum plate/ <3.0mm Double-sided aluminum plate. Equipped with a perforated exhaust port and a 1/4â€™â€™ quick connector to fasten the air pipe. [Elastic Adjustmnet]: The air hole punch can be tightened clockwise and loosened counterclockwise. Please note that the needle is consumable and it can be replaced. [Main Advantages]: Portable, small and easy to operate also saving power and improving punch speedy. [Strong Shear Force]: The shearing force of the machine can reach 708kg, making drilling holes very easy. This hole puncher is suitable for copper plate, aluminum plate, iron plate, angle iron and etc.