Product Description Features High performance synthetic wet-grinding stone for sharpening your knives A coarse side for sanding smaller bumps and a fine side for cutting edges Grain: 240 coarse / 1000 fine Non-slip whetstone holder made of bamboo Dimensions of the grinding stone: 18 x 6 x 3 cm, bamboo holder: 21 x 9 x 2.5 cm. Shipped in an attractive gift box Box Contains 1 x Richardson Sheffield Luxury Whetstone