Ergonomic Design The professional punch pliers adopts double lever mechanism to greatly save your strength. Ideal for long and repetitive work without causing sore hands or blisters because the handles are padded, non-slip and ergonomic. Powerful penetrability makes work easier. Multi-function The cutting pliers have 6 different size holes: 3mm, 3.5mm, 4mm, 6x4mm (elongated shape), 7x3 (elongated shape), 6.4mm (oval) and is commonly used to punch round holes in leather, belts, plastic, rubber, canvas, fabric, cardboard, saddles and similar materials; especially useful as a leather puncher. Perfect Set Punch clip includes leather puncher, 2 free spare plates, screwdriver, ruler. The transparent RULER can measure your part accurately and a screwdriver can replace the spare plates and turn the screws on the belt High quality and safety The durable cutting pliers are made of plated steel which is high hardness, good hardness and durable. The surface of the metal treats the spray lacquer process to prevent oxidation. The brass cushion adopts the thickness design to ensure safety. And in our kit, we add a grinder rod to it for easy cleaning. Excellent Hole Punch Body and hole punch heads are made from special oil-hardened, coated tool steel nickel. Reinforced design for higher clamping force, greater opening and locking ability.