Royal E-300 E Series Deburring Blade, Heavy-Duty, High-Speed Steel, (Pack of 10)
Great for removing internal and external burrs simultaneously from holes drilled into tubing and sheet metall. This blade works well with Steel, Copper, Aluminum, and Plastics. The blade has a 50 degree  included angle and is made of High Speed Steel (HSS), Rc 63. Designed for right hand operation (Clockwise). 3.2mm Shank is compatible with any E-holder or equivalent. Sold as a pack of 10.