OriGlam 5pcs 16 30MM HSS Drill Bit Hole Saw Set, Stainless High Speed Steel Alloy Cutter Tools Twist Bits for Cutting Steel/Brass/Metal Drilling Holes

√ High Speed - High-speed steel and stainless steel hole saw drill, sheet metal reamer for stainless steel, iron, aluminum, wood and various types of pipes. √ Cut In Seconds - A special heat treatment, sharp edge, high strength, cuts quickly, precise holes in Steel, Stainless Steel, Iron, Copper, Brass, Aluminum, Fiberglass in Seconds. √ Great Value - Perfect for installing locks,knobs in doors and cabinets or drilling larger diameter holes through desks ect. √ Widely Used - Great for all kinds of drilling, like installing locks, knobs in doors and cabinets or drilling holes on sheet metal or wood.