This manual cutter sharpener can be used to sharpen your cutters easily and efficiently. The 360 rotating platform can help you to give your cutters a thorough polishing. If you are looking for a new cutter sharpener, you can try this product, it will not let you down. Specifications: Material: ABS Type: host with a diamond sharpening stone(240#，800#，2000#), a sharpening stone(800#, 3000#, 5000#, 8000#), a sharpening stone(180#, 400#, 800#, 1500#) (optional) Package size: Host with a sharpening stone: 320 * 175 * 85mm / 12.6 * 6.9 * 3.3in A sharpening stone: 178 * 64.5 * 55.5mm / 7.0 * 2.5 * 2.2in Package weight: Host with a sharpening stone: 910g / 2.0lb A sharpening stone(800#, 3000#, 5000#, 8000#): 128g / 4.5ounce A sharpening stone(180#, 400#, 800#, 1500#): 122g / 4.3ounce Host with A Sharpening Stone Packing List: 1 * Host 1 * Screwdriver 1 * Sharpening Stone OR Only A Sharpening Stone Packing List: 1 * Sharpening Stone (optional)