DMT W7 Diamond Whetstone

The DMT W7 Mini Diamond Whetstone in Coarse grade (325 grit) is your go-to solution for rapid material removal and restoring damaged or very dull edges. Identified by its distinctive blue colour, this coarse grade variant excels at initial sharpening work, making it ideal for tools that have lost their edge or require significant reshaping. The 325 grit provides aggressive cutting action whilst maintaining the precision control you need for professional results. Measuring a compact 70 x 25 x 5mm thick, this mini whetstone delivers full-sized performance in a pocket-friendly format. Its unbreakable, unbendable construction ensures it can handle demanding workshop conditions whilst remaining conveniently portable. Whether you're on-site or in the workshop, simply use it dry or with water – no messy oils required.