Universally works on PPR, PVC, MPP, and all standard plastic pipes. Replace bulky toolkits with one compact solution for drilling, reaming, and deburring. Crafted from high-carbon steel with titanium coating for exceptional heat/corrosion resistance. Engineered to withstand heavy-duty use on PPR, PVC, and plastic pipes without deformation. Effortlessly expand holes (15mm, 19mm, 24mm, 31mm) with razor-sharp cutting edges. Achieve smooth, burr-free finishes for leak-proof pipe fittings in seconds. Lifting step technology preserves pipe integrity during repairs. No cracking or structural damage - Built for emergency plumbing and permanent installations. 1/4Inch hex shaft instantly locks into drills/impact drivers. No slippage - triple efficiency on wet or oily surfaces. Specification:2PCS / 1PCS Color:Black Material:Metal Package Contents: 1 * step drill bit kit 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.