Household rapid knife sharpener, tungsten steel, diamond, ceramic

Product Name: Knife Sharpening Tool 
Material: Tungsten steel + ceramic + stainless steel + diamond abrasive particles + ABS 
Size: 23*5.7*7.5CM
Weight per package: 300g 
Outer box: 48.5*32.5*48 cm (50 pieces per outer box) 
Packaging: Color box packaging