Product Name: 5-In-1 Knife Sharpener Material: Titanium coated diamond+ceramic+PP Colour: Black / green Application: Suitable for home,kitchen,woodworking knife grinding,steak knives,paring knives,sushi knives,meat cleavers,ice knife blades,butcher knives,paring knives,barbecue knives,scissors,etc. About this item: 【DESIGN UPGRADE】Different from the traditional knife sharpeners,manual knife sharpener has been upgraded on the basis of the original blade sharpener.In addition to the 3-slot system,Added two high hardness knife sharpener diamond(400#/1000#).It can meet most of the polishing and grinding work of knives in your daily life. 【SIMPLE OPERATION】The ergonomic handle is comfortable to hold and hand won't slip,when sharpening the knife with the sharpening slot simply put the knives into each slot and gently pull the knife through a few times for a quick and efficient Sharpening and polishing. 【EFFICIENT AND DURABLE】sharpening stone (400#/1000#) is made of high-hardness Titanium Coated Diamond.the material hardly wears out,the sharpening stone has a long service life,and the honeycomb-shaped concave-convex design ensures the dust generated during the grinding process will not affect the sharpening,thus speeding up the sharpening,save your precious time. 【EASY TO USE】With normal water stones,you have to soak the stones and wait a long time.But with diamond sharpening stone,you can start sharpening immediately without any preparation.If you need to sharpen your knife continuously for a long time,you need to sprinkle some water continuously to cool it down and prevent overheating from damaging the blade.After the work,dry the sharpening knife Stone water to prevent rust.