High quality material: This small screw deburring tool is made of high quality hard alloy, with high strength, high hardness and long service life. Unique design: simple and safety-conscious design, can protect your hands, will not cause sparks or burns, and will not damage tools. Due to its compact size, the tool can be easily carried with the kit. Excellent function: quickly repair damaged bolts and tighten nuts. It simplifies the repair process, saves time and money, and saves expensive or hard-to-find equipment. Easy to use: at the lowest drilling speed, then apply pressure to remove burrs. Wide range of applications: It is an ideal choice for removing burrs and burrs on pipes or threaded rods. It can quickly repair damaged screws and tighten nuts; for stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass and wood, Plastic is effective.