Specification Material: Tungsten Carbide Shank diameter: 10-13mm Hole diameter size: 12 - 150mm Cuts quickly, precise holes in Steel, Stainless Steel,iron, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates； High precision, smooth cutting, especially impact resistance, wear resistance. Sharp gears and anti-cutting with lower consumption make the product a long service life； Suitable: Stainless steel plate, steel plate, Iron plate, Aluminum Alloy, Home wood, Galvanized pipe, Fire pipe, Plastic, and various types of pipes; Adapted Machines: Pistol Drill, Bench Drill, Vertical Drilling Machine etc Warm Tips: Metal hole, remember to add coolant Package includes: 1 x Hole Saw