Knife Sharpening System, 4 in 1 Knife Scissors Sharpener Maintaining Kitchen & Sport Knives, Kitchen Shears ALL knives need to be maintained. Even the BEST, HARDEST metals lose their edge with normal use. It's the nature of a knife... the sharper it is, the more regular maintenance it'll need. But this is no longer a chore! Our 4 in 1 sharpener will make regular maintenance of your fine edges as well as complete resharpening a pleasure, and easier than ever! With his three-stage design: coarse, fine and extra griding, this knife sharpening kit works for both ceramic and steel knives of every size and different level of dullness. It only takes 3 to 4 pulls through the sharpener to restore any knife to a precision edge. The solid ABS plastic body and slip-resistant rubber feet means the knifesharpener is easy to handle and stays put during use. Compact, easy to use and quiet, it can be conveniently stored in a drawer. Caution: Our knife and scissor sharpener is not for use on serrated knives or scissors. Handle with care when trying to sharpen ceramic knives. If misused, scratches may appear on ceramic knives edges.