Apply to kitchen knives, fruit knife, chef knife,higher sharpening efficiency,nice appearance. Diamond Sharpening SteelApplicable scope:Apply to kitchen knives, fruit knife, chef knife, etc.Product Features:1 ... non-abrasive brush.Caution: 1. Keep stable when sharpening 2. Do not put the items into the dishwasher or waterPACKING: Diamond Sharpening Steel