Quality Materials: It is made of ABS plastic, it is strong, durable and long lasting. The inside of each grinding groove is made of tungsten steel, diamond grinding rod and ceramic grinding rod, which are completely reliable products. Four-in-one sharpener: design ergonomic, comfortable grip. Our sharpener has four cutting methods to meet your different needs. Operation is simple and safe: just insert the blunt knife into the sharpening slot, then pull it several times until the knife be sharp enough. There is a non-slip rubber base at the bottom of the sharpener to prevent it from slipping during use. Four cutting methods: cut one is suitable for fine grinding scissors, cut two is for grinding coarse of dull metal blades, cut three is suitable for everyday use and cut four is suitable for fine grinding or polishing the edges of ceramic blades. Can meet your different needs. Specification: about 29*7*4.7cm Color: red black Shipping quantity: 1 piece