[Sharpening Tool] Produce on tools, dies, blades, molds and any other metal parts that need sharpening or smoothing. [Quality Material] The sharpening stone is made of durable diamond. knife sharpener [Coarse or Fine Grinding] 600 mesh; The Seal grinding knife / kitchen knife / fruit knife for cutting [Size] About 6.69 * 2.95 inches (170 x 75 mm), thickness 1 mm; Package includes: 1 x diamond plate diamond sharpening stone [Add Water] Add a little water when grinding, it helps to extend the life of the diamond sharpening stone. Wipe off water stains after use to prevent rust. Specifications: Condition: New Material: Diamond Size: Approx. 17 * 7.5 cm / 6.69 * 2.95 inches Grit Size Options: 600 Weight: Approx. 100~110 g Package Contents: 1 x Diamond Plate