This Hair Clipper Offers A Perfectly Even Haircut Very Easily. The Integrated Comb Is Adjustable, So All Hair Lengths Can Be Achieved Without Changing A Comb. No Maintenance Is Needed - Oiling Is Not Necessary. The Clipper Has An Integrated Comb That Can Be Adjusted By Simply Pushing It. A Total Of 10 Length Settings Are Available For Hair Lengths Up To 21 Mm.