Features:1. Unique interior design, very compact and lightweight.2. Multi-function sharpening tool.3. Pre-set carbides quickly sharpen very dim edges.4. Specially shaped ceramic groove to trim the edges and sharpen the serrated blades.5. Tapered diamond rod for grinding serrated and standard edges.Suggest:Under normal circumstances, it is recommended to use your tool once a week or daily to keep your blade sharp. After the tool is worn, wipe it with a damp cloth and then dry it. Use a soft brush to clean the metal blade or ceramic rod of the sharpener to keep the sharpener head clean.Product specifications:1. Material: tungsten steel.2. Size: 82x28x13mm.3. Net weight: 29g.4. How to use: Place the left hand knife sharpener on the table top, another hand knife, and place the knife edge on the V slot with the right hand. Pull the knife back slightly and pull it about 4 to 5 times to make the blade sharp.Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 10cm * 3cm * 2cm / 3.94inch * 1.18inch * 0.79inch Qty per Carton 600 Carton Weight 17.00kgs / 37.48lb Carton Size 40cm * 30cm * 26cm / 15.75inch * 11.81inch * 10.24inch Loading Container 20GP: 854 cartons * 600 pcs = 512400 pcs 40HQ: 1984 cartons * 600 pcs = 1190400 pcs