The MANGROOMER® Ultimate Pro Replacement Blade is for use exclusively with the MANGROOMER Ultimate Pro Back Shaver. The new Ultimate Pro cutting-edge blade design enables extremely close and smooth shave results without the potential of ingrown hairs, plus measures 1.8 inches in width for maximum coverage in fewer strokes. The Hypoallergenic Stainless Steel Blades are designed specifically for sensitive skin, durability and a clean smooth shave. Cleans easily by using the cleaning brush provided with your Ultimate Pro Back Shaver or rinsing under running water. For optimal results, it is recommended to replace your Ultimate Pro Blade every six months.