[feature] Reliable material: The diamond sharpener is made of high-quality tungsten steel, corundum, high-hardness ceramics and other materials. Strong, beautiful and durable. Double Sided Sharpening Stone: Package includes 1 whetstone with different sides, front 400 grit coarse sharpening for restoring badly blunted blades, rear 1000 grit fine sharpening for re-sharpening edges and deburring blades , start at 400# and repeat on 1000#. COMFORTABLE HANDLE: Apply the necessary pressure and angle while maintaining the correct angle, don't worry about cutting yourself with our sharpening angle guide! Easy to use even for beginners, yet effective enough for professional chefs. MULTI-PURPOSE: Suitable for all kinds of knives, including chef's knife, steak knife, kitchen knife, butcher's knife, barbecue knife, hunting knife, pocket knife, scissors, chisel, blade, axe, etc. EASY TO CLEAN AND STORE: Dirt on the knife sharpener can be easily removed with a simple rinse. The professional handle has a hanging hole design, which is convenient for storage and saves space. Whether you're a cook, or an active outdoorsman and camper,this is one of those must-have tools. [product information] Product Name: Knife Sharpener Product material: corundum + tungsten steel + ceramics Product size: 31X6X2cm color: gray Packing list (available after purchasing an item): Sharpener X1 ask for forgiveness: 1. Due to the long shipping time, the item may be damaged during shipping, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.