No need to buy a whole new set of drills to keep your drills sharp and ready to goWhy not give the old dull bits a new lease of life? Use this drill sharpener with your power drill to keep your bits sharp and ready to use without having to buy a whole new set of bits 100 grit gravel gives the drill a smooth, even and sharp edge.feature:Sharpen drill bits quickly and easilyPowered by an electric drillWear-resistant corundum grinding wheelJust spin the 100-grit wheel with the drill and press the drill on it to get a sharp edge in no timeDesigned for multiple drill sizesSmall and portableRustproof, waterproof, dustproofThe perfect gift for any handymanSpecification:Material: corundum, ABSSuitable for drilling size: 5/64" - 13/64"(2mm-5mm) 7/32" - 21/64"(5mm-8mm) + 11/32" -1/2"(8mm-12.5mm)Angle stop degrees: 60 degrees leftSafe and easy to use with appropriate built-in guides100 Grinding StonesPower drill that needs to run between 2000 and 3500 RPMDimensions: 18.5cm x 4cmThe package includes:1 x Drill Sharpener 1x Drill Sharpener Grinding Ston