13pcs/set 16-53mm High Speed Steel Holesaw Cutter Hole Saw with Core Drill Bit

Description

Made of premium high speed steel, sturdy and durable The blade is extremely sharped, with good perforation capability. Taking the form of a short open cylinder with saw-teeth on the open edge, perfect for installing locks, knobs in doors and cabinets Can be used to make holes in wood, thin steel sheet, aluminum alloy and other soft metal sheet.