18", Stay Sharp Max Reel Mower, Advanced Design Makes It 60% Easier To Push, Eco-Friendly, Combines Patent Pending Technology With Superior Ergonomics, Delivers Best In Class Cutting Performance, Features Inertiadrive Reel For Twice The Cutting Power Of Standard Reel Mowers, Staysharp Cutting System Eliminates Annual Blade Sharpening, Versacut Technology For Easy Cut Height Adjustment, Ultra Close Side Edging Without Uncut Strips Under The Wheels, Unique Grass Discharge Chute Throws Clippings Forward Cleanly & Away From Your Feet.