Keep Bits Sharp And Ready For Use Without Buying A Whole New Set Of Drill Bits! Why not giving your old blunt drill bits a second life? Use this Drill Bit Sharpener with your power drill to keep bits sharp and ready for use without buying a whole new set of drill bits! The 100 grit stone gives a smooth, even and sharp edge to drill bits. FEATURES: Quick and easy to sharpen drill bits Use electric drill power drive Wear-resistant corundum grinding wheel Simply use your drill to rotate the 100 grit grindstone and press the bit against it for an instantly sharp edge Designed For Multiple Drill Bit Sizes Small and portable Rustproof, waterproof and dustproof Perfect Gift For Any Handyman SPECIFICATIONS: Material: Corundum, ABS 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 Safe and Easy to Use with the Appropriate Built-In Guides 100 Grit Grinding Stone Requires a Power Drill That Operates Between 2000 and 3500 RPM Size: 18.5cm x 4cm PACKAGE INCLUDES: 1 x Drill Bit Sharpener Close