Aircraft Aluminum Material: PVC Reamer is made of the latest hard alloy with high hardness, precision, durability, and a long service life. The coated undergoes treatment to resist rusting to be waterproof and long-term the plumbing repair. Four-sided Square Insert: Carbide insert provides four cutting surfaces, you can be turned 90 degrees for new cutting surfaces before use, the cutting efficiency is higher and faster, can bore out broken pipes with ease making an insanely smooth channel. Wide Application: PVC fitting saver helps save time and money, great for vent lines, drain lines, and water lines, which are used to clean up internal and external burrs, sharp edges, solvent cement residue on PVC, CPVC or ABS pipe fittings. Easy to Operate: Just select the proper size fitting saver, put it in the drill chuck and tighten, Insert fitting reamer into broken pipe in the center, Ream old pipe until proper depth is attained. NOTE: Check if the hex key shaft is locked or not before use; It is recommended to use a variable-speed electric drill with low-speed cutting; Appropriately add water for cooling to keep the pipeline from melting at high temperatures. Colour:Red Material:Metal Size:4In Package Contents: 1set * pvc pipe reamer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.