Products Description Product Name Knife Sharpener Special Feature Multifunctional Color Red Black Material ABS tungsten steel emery ceramics Size 21.5*5*5.6 Attention. 1、Do not use too much force when sharpening the knife, so as not to damage the blade 2、Do not put the knife sharpener into the dishwasher or water. 3、Do not put the knife sharpener and knives in the place where children can easily reach to avoid accidents.