3-piece tungsten carbide tire repair drill bit set - 3mm, 4.5mm, 6mm - Automotive tire repair tool - Tire repair kit

Triangular cutting edge, non-slip and more secure grip. High-quality raw materials: high hardness, wear resistance, strength and toughness, heat resistance and resistance to fish scales. Sharp and precise cut. Feature: Professional mushroom nail tire repair drill bit, can be used with low-pressure pneumatic drill bits. Many specifications are available; choose sizes for different work situations.