Specification: Product Name: PPR Lifting Stepped Drill Bit Set Material: Alloy Size: 1/2 inch, 3/4 inch size: Total length 60 mm; shank length 22 mm; shank diameter: 6.35 mm 1 inch size: Total length 60 mm; shank length 26 mm; shank diameter: 6.35 mm Specifications: 1/2 inch (4 points/20 mm), 3/4 inch (6 points/25 mm), 1 inch (1 inch/31 mm) Color: Gold Quantity (Optional): 3Pcs/Set, 6Pcs/Set Feature: Pipe Reaming Drill Bit: This PPR lifting stepped drill bit can reduce the time spent on pipe repair projects, making installations hassle free. With it, you can avoid the tedious, labor intensive tasks Ideal for Deburring Pipes: These drill bits are precisely designed to ensure clean and smooth edges, improving the enduring of pipe projects. They are ideal tools for deburring pipes inside and outside Enduring Material: This 3 edge plumbing expansion drill is made of YG8 alloy material, which can meet various needs. Its sturdy construction ensures repeated use many times Widely Uses: This pipe reaming drill bit is suitable for 1/2 inch, 3/4 inch, 1 inch PVC pipe fittings or conduits. It is flexible and convenient, suitable for most electric drills, and can complete a variety of hot and cold water pipe tasks Compatibility: This drill bit is compatible for most electric drills and also easy to use. Just install them on the electric drill, and you can easily complete a variety of reaming tasks Parts List: 3Pipe Reaming Drill Bit (one each of 4 point, 6 point, and 1 inch) OR 6Pipe Reaming Drill Bit (two each of 4 point, 6 point, and 1 inch)