1. The AIRCRAFT ALUMINUM MATERIAL PVC reamer is crafted from the latest hard alloy, offering hardness, precision, durability, and an extended service life. Its coated surface undergoes rustproof treatment, making it waterproof and ideal for longterm plumbing repairs. 2. Easy to use: Simply select the fitting saver in the correct size, insert it into the drill chuck, and pull. Position the fitting reamer into the broken pipe and rotate until the desired depth is achieved. 3. Wide application: The PVC fitting saver saves time and money, for vent lines, drain lines, and water pipes. It effectively removes inner and outer burrs, sharp edges, and solvent adhesive residue from PVC, CPVC, and ABS pipe fittings. 4. Foursided square insert: The carbide insert features four cutting surfaces. Rotate it 90 degrees before use to access fresh cutting edges, ensuring efficient and faster performance. It effortlessly drills out broken pipes, creating an exceptionally smooth channel.