You will be amazed at how quickly and easily it transforms dull blades into extra sharp edges that can slice and dice like never before. This blade-sharpening tool makes your knives razor even more sharper than the original out of store condition. Extend the lifespan of your cutlery and increase your cutting power with this essential kitchen tool.Features:Professional knife sharpener， for different sizes of knives.Quick and easy way to sharpen knife blade.Safety design to protect your hands.More stable sucker disc base .Color ruler to show the accurate knife angle.Come with 4 high quality stones， 180#， 400#， 800#， 1500#.Sharpening stone can use oil or water.Knife is not included.Simple reassembling needed.Specifications:Material: ABS plastic， stainless steel， high quality stoneStone size: 15.5 * 2 * 1cm (6.3 * 0.9 * 0.4inches)Item weight: 545g/1.2lbItem size: about 44 * 18 * 7cm (17.3 * 7.1 * 2.8inches)Package weight: 859g/1.9LbsPackage size: 49 * 8.5 * 6 (19.3 * 6.3 * 3.3inches)Item Includes:1 x Fixed-angle sharpening frame4 x sharpen stone (180#， 400#， 800#， 1500#)1 x Pen1 x Cleaning Cloth