Product Description Description: 100% Brand new unused Made of high quality material 6.35mm Hexagonal handle, stable clamping, easy to disassemble and assemble Widely compatible, not easy to slip Drill bits for water pipe expansion punchUse with electric drill Specifications: Product Name:Drill bit Material:HSS Color:Goldas picture Flute: 3 Flute Size:61x6.35x22mm Quantity:3pcs Application scenario:Plumber water pipe puncher Drill bit Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Package Included: 3PCS Pipe Reaming Drill Bits