M42 Hole opener, Bi Metal 70mm Saw Tooth Cutter Drill Bits Cutting Opener For Iron Aluminium, Pipe, Plastic, Stainless, Metal, Wood

●Made of premium M42 high speed steel, sturdy and durable. ●49 Size Hole Saw for choice: 15mm-200mm, a solutions to all dimensions of the problem. ●Taking the form of a short open cylinder with saw-teeth on the open edge, perfect for installing locks, knobs in doors and cabinets.Widely used in Plate Hole, Home Wood, Fire Pipe, Plastic and Other Opening Operation. ●The newly designed chip removal groove, it can discharge the chip rapidly, and will not cause the crack and stuck piece phenomenon. ●Package included: 1 x Hole Saw drill bit