【Easy to Use】Sheet Metal Hole Punch Tool is professionally designed. Simply turn the screw with a wrench to create a hole in the metal. 【Application】This hole punch is suitable for cutting steel plates, stainless steel, sinks, copper, aluminum, brass, and other metal materials. 【Instructions】Before use, drill a small pilot hole in the sheet metal to allow the screw to pass through. 【Features】Hole cutter opener with high precision and meticulous workmanship. Compatible with a ratchet, wrench, or electric driver. 【Material】Made of steel for exceptional strength, toughness, and wear resistance. Specifications: Material: Steel Size: 2.75 cm (1.08 inches) Package Includes: 1 x Sheet Metal Hole Punch Note: Slight measurement deviations may occur due to manual measurement and display differences.