[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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. 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 make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!