Features: Great quick and easy way to sharpen drill bits. The angle and width are adjustable. Especially for the novice to grind drills. Designed for mkultiple drill bit sizes. This machine is suitable for beginners to grind and sharpen various tools in home. Perfect gift for any handyman. Specification: Accommodates drill sizes : 5/64\ - 13/64\"(2mm-5mm) 7/32\" - 21/64\"(5mm-8mm) 11/32\" -1/2\"(8mm-12.5mm) Angle Stop Degrees: 60 degrees Left Notice: Requires a Power Drill That Operates Between 2000 and 3500 RPM. The above dimensions are measured by physical objects. There will be light error due to different measurements. Type: Center Drill Bit DIY Supplies: Woodworking includes: 1 X Sharpening Machine "