Amtech 3.5-10mm Drill Bit Sharpener Grinding Stone HSS Sharp Sharpening Machine Bits Brand New 3 Years Amtech Guarantee
Fits all drills with a 43mm collar and a keyed 13mm chuck
Suitable for 3.5 - 10mm carbon and HSS drill bits
Built-in drill bit guide ensures sharpening at correct angle
Gives blunt drill bits a razor sharp cutting edge
Supplied with a replacement grinding stone
Quick and easy to use
This product is not suitable for masonry drill bits