... 2.Weight:90g 3.Material:AS,TPR,tungsten steel Samurai Pro Knife Sharpener Productknife sharpenerpackingcolor box package/1pcsProduct color various ... Specifications:Vacuum seals and mounts horizontally, vertically and upside downSamurai Pro sharpens your serrated knives, scissors, shears and all cutting tools ... Fast and Safe shipping. 4) Design by customers requirement. Samurai Pro Knife Sharpener