The Faithfull Revolving Punch Pliers are used for making holes in soft materials such as canvas leather soft plastics and textiles Punch pliers are made from hardened heavy gauge sheet metal with an epoxy coating to protect against rust The size of the hole to be punched is easily selected by revolving the spring loaded punch head which strikes a fixed anvil The six hole diameters are 2mm 25mm 3mm 35mm 4mm and 45mm