Kentrol's rear differential cover is polished to a mirror finish. Each piece is inspected for fit, finish, and function. It comes complete with all hardware needed for installation. An occasional waxing will keep yKentrol's polished finish looking brand new. All Kentrol products come with a limited lifetime warranty. We set the industry standard more than 30 years ago by manufacturing high quality stainless steel accessories for yKentrol's Jeep. Kentrol's products are made from T-304 stainless steel. We do 100% inspection of Kentrol's parts before shipping to ensure you receive the highest quality. Whether you are looking for a polished or black powder coated finish, with Kentrol's limited lifetime warranty, we have the accessory to meet yKentrol's needs.