1. Material: 40gr steel 2. Hexagonal shank design, suitable for a variety of equipment 3. Quick installation, second drilling 4. PPR jacking drill, reaming / drilling in one 5. Use it to lift the mouth, very fast, no deflection, smooth pipe mouth, plumbers and electricians good helper 6. Sturdy and durable, easy to install, suitable for PPR pipe, PVC pipe, plastic pipe, MMP pipe 7. Weight: 20mm about 20g, 25mm about 21g, 32mm about 26g
