Features 1、Made of high‑quality high‑speed steel, with durability, rust resistance and corrosion resistance, has long service life. 2、The operation is simple, connect the chamfering tool to the end of the electric drill, at the lowest bit speed, and then apply a little pressure to remove burrs. 3、Widely used, it can be effectively used in stainless steel, hardened steel, low carbon steel, copper, brass, aluminum, fiberglass, wood, plastic, no matter with or without thread. 4、The two are shipped together, leaving one as a spare, in case you need it from time to time, bringing you more convenience. 5、It is easy to install, small and light, and can be easily installed on the electric drill bit without other complicated operations. Specification Condition: 100% Brand New Item Type: Chamfer Tool Material: High Speed Steel 4241 Color: Silver Inner Diameter of Mouth: Approx. 22mm/0.9in Mounting Hole Diameter: Approx. 7mm/0.3in Whole Length: Approx. 52mm/2in Application: Can be used for stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, plastic, whether or not threaded. Package List 2 x Chamfer Tool