DescriptionAdopt fused alumina material, this sharpener is durable and stable, have more longer service life. The sharpening tool is compact and lightweight, easy to store and carry. It can be used for general sharpening jobs like sharpening, tool sharpening, industrial use, for hunter-fishermen, campers, workers and bowmen.Features- Color: As shown. - Material: Fused Alumina. - Size: 5 x 5 x 4.7cm. - This sharpener are made of premium fused alumina material, durable and stable to use. - Coarse side and fine side, can be used with or without water. - Professional industrial design make it more practical, it can be used in metal process, industrial, tool process, etc. - Compact and lightweight, easy to store and carry. - for professional use, tool process, workers and metal industrial.