Features 1、3 Flute Design: The deburring chamfer tool is 3 flute design to ensure fast chamfering, and the large discharge hole provides smoother and cleaner cutting. 2、High Hardness Blade: This deburring chamferer adopts YG8X blades, which are incisive and durable, with high hardness, wear resistance, and a long service life. 3、Multiple Usages: This external chamferer is designed specifically for repairing damaged screw and fastener, can be used to trim the outer edges of screw, pipe, or rod. 4、Applicable Material: Suitable for hardened steel, low carbon steel, copper, brass, wood, fiberglass, and hard plastic, can be used for some stainless steel screws or bolts. 5、Wide Application: This external chamferer is suitable for threaded or unthreaded parts, used in conjunction with chuck electric drill, has a wide range of applications. Specification Item Type: External Chamfer Tool Material: Alloy Steel Application: Suitable for all kinds of chuck electric drill Features: Removing burrs but not hurt hands Advantage: Can polish both with or without thread workpiece Package List 1 x Deburring Chamfer