[Remove Burr Tool] Quickly repairs damaged / flatted bolts and tightens the nuts in place without hurting your hand, no , and no ; Fitment Bolt Tube Size:3mm to 20mm). [Industrial-grade Materials] Made of extremely hard Tungsten Steel with high strength and hardness for durability, anti-rust and anti-corrosion. Three Tungsten Steel cutter blades with strong cutting and repairing capabilities, allows burrs to be removed more cleanly and efficiently. [Safe & Efficient] This deburring external chamfering tool shaves down the outer edges of a flatted bolt. Simply attach it to a power drill, apply gentle pressure to the bolt head. Simplifies the repair process and eliminates the need to replace expensive or hard-to-find hardware. [Easy To Use] Quickly slap it into your chuck drills, using proper speeds and feeds-Drill use 0-400 RPMs, and then slightly applying pressure to remove the burr. 1/4 inch hex with quick release design, fits most drills including Lithium-ion drills/hand drills/table drills. [Widely Used] Use this deburring chamfering drill bit to repair various metals, such as stainless steel, hardened steel, mild steel, brass, copper, aluminium, fibreglass and even wood or plastic. Simple design and a compact size, makes it quite convenient to use and easy to carry around with you in your toolbox. Colour:Black Material:Tungsten steel Size:3-20mm Package Contents: 1 * Deburring External Chamfer 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. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.