1. Suitable for 160mm drill bit 2. High-quality silicone, stretchable and flexible 3. Bearing transition design, electric drill running heat and wear 4. The bearing replacement hole can be replaced separately, which is worry-free to use 5. Double-layer dust-proof design, not easy to drop dust, easy to operate 6. Ear hole design, suitable for various types of impact drills 7. When hitting the ceiling, use iron wire to fix it, and it will not rotate with it 8. Can be held by hand, don't worry about being worn by the drill bit 9. Dimensions: 126x88x60mm 10. Weight: 120 grams
