Easy to use- This external deburring chamfer works by a way of shearing metal layer by layer. Using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Safety conscientious design means no cut hands, no sparks, and no burns.
Wide Application- Effective applied to hardened steel, mild steel, copper, brass, fiberglass and hard plastic.
Fit size- Drill use 0-400 RPMs Fit 1/8' (3mm) to 3/4' (19mm)
Great Design & Material- Made of High Speed Steel and it has a cutter ability. And the tool acquires many countries patent, such as Europe, U.S.A, Taiwan, etc.