The chrome vanadium, pre-sharpened bevel-edged chisels are ready to go straight from the box. They are strong, durable and can be used with a mallet or hammer. The Vaunt Double Sided Diamond Sharpening Stones have innovative diamond cut cleaning channels that remove the waste build up. The full diamond coating over both sides CoarseFine, 3001000 grit lets brings you the best of both worlds allowing you to gradually and properly hone sharpen chisels or blades. The Vaunt honing guide, used in conjunction with an oil or diamond stone allows you to get the perfect cutting angle every time with its easy adjustment and smooth running action. Suitable for chisels 3-67mm