Material: Made of high quality stainless steel, high strength and high hardness. High temperature resistance, rust prevention and corrosion resistance.Powerful: This external deburring tool chamfering tool allows you to quickly repair damaged bolts and tighten nuts, saving time and money. The tool simplifies the repair process, can reduce repair times, and eliminates the need to replace expensive or hard-to-find hardware, maintaining security at previously unattainable levels.design: simple with conscientious safety design, which can protect hands, no sparks and no burns, no damage to instruments. The compact dimensions facilitate the transport of the tool in the kit.Simple operation: The operation is simple, using the lowest speed on the bit tip and light pressure to remove the burr.Effective in: Very useful for removing burrs and sharp edges on tubular or threaded rod, quickly repairing damaged screws and pulling on stainless steel, hardened steel, mild steel, copper, brass, l aluminum, fiberglass, wood and plastic nuts. It can also be used as a bottle opener.Product High strength and high hardness. Quickly repair damaged bolts and tighten nuts in place. It simplifies the repair process and eliminates the need to replace expensive or hard-to-find hardware. The operation is simple, the bit rate is the lowest, the pressure is light, and the burr can be removed. Effective on stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood and plastic. Note: only deburring chamfer, drill bit or others are not included.Specifications: Material: stainless steel Color: silver, gold Overall length: 48mm edge length: 22 (mm) Shank diameter: 18 (mm) Measurement: 8-32 bolts (164) up to 3/4 inch -10 (750) - (4mm -19mm) Included: 1 x External Deburring Tool (Gold) 1 x External Deburring Tool (Silver) Correct Usage: This tool works by cutting layer by layer. Low speed, combined with unnecessary cuts and the use of cutting oil or other lubricant, will ensure a long life of