General description The Double Sided Diamond Whetstone 200mm Fine / Coarse is designed for sharpening a variety of tools. The whetstone features two sides: the Red side for fine sharpening and the Blue side for coarse sharpening, making it versatile for different applications. Technical specifications Dimensions: 200mm Red side: Fine 600g, 25 micron Blue side: Coarse 325g, 45 micron Compatibility and accessories Red side: Suitable for all woodworking tools, carbide tooling, router bits, 3D bits Blue side: Suitable for general carpentry, tin snips, wood flat bits, augers, garden edge tools