Key Features Sturdy and Durable: The exquisite aluminum alloy with oxidation and polish processes makes this item resistant to rust, corrosion, oxidation, impact, and deformation, ensuring durability. Sharpening Assistant: With 6 different sharpening stones (#120, #600, #1200, #240, #600, #1000), you can use them for rough or fine grinding to meet your sharpening needs. Stable and Reliable: The adjustable G-clamp (0.394-2.36 inches) attaches securely to the table, enhancing product stability and mobility. Dual collets hold blades 0.118-0.315 inches thick and give you precise positioning. Thoughtful Design: The 360° rotatable clamp makes the rotation sharpen the other side while maintaining the same angle and edge, and adjustable angles(9-26°) help you quickly fix the product in the appropriate position to ensure uniform tool sharpening and achieve a sharper effect. Application It is suitable for knives up to 0.118-0.315 inches thick and within 15.75 inches long, as well as chef's knives, hobby knives, steak knives, boning knives, paring knives, sushi knives, vegetable knives, kitchen knives, barbecue knives, pocket knives, serrated knives, chisels, razor blades and more. It is ideal for cutting enthusiasts and more. Specification Color: Silver, Black Material: Aluminum Alloy, Wood, Corundum and Diamond Process: Oxidation and Polishing Assembly Required: Yes Mounting Type: Countertop Grit Type: Fine Style: Modern Adjustable Angle: 9-26° Clamp Rotation: 360° Number of Sharping Stones: 6(#120, #600, #1200, #240, #600, #1000) Rod Length: 52cm/20.47in Product Height: 28cm/11.02in G-clamp Adjustable Height: 1-6cm/0.394-2.36in Applicable Knife Thickness: 3-8mm/0.118-0.315in Applicable Knife Length: Within 400mm/15.75in Package Size: 31*22*5cm/12.2*8.66*1.96in Gross Weight: 1.1kg/ 2.4 lbs Package Included 1*Knife Sharpener 6*Sharpening Stones All Accessories for Assembly Notes 1.Please note that the package does not contain knives. 2.After use, please clean and dry this product, and place the stones in a dry environment, to avoid high temperature and dampness. 3.Please keep the sharpening stone wet when sharpening, and you can use sharpening oil or water(not included). 4.We recommend that corundum stones can be soaked in water or oil. Diamond stones use water. Coarse or fine grinding has nothing to do with the soaking time but with the mesh size of the stone. Low mesh size is large, and suitable for rough grinding. The high mesh size is small and suitable for fine grinding.