The Alltrade 10 piece Bearing Race and Seal Installer Kit separates fittings on automotive fluid lines, including AC, fuel, oil and transmission lines.Kit works on most late model GM, Ford and Chrysler vehicles.Includes single piece driver handle as well as 9 discs in the following sizes: 8.1cm , 7.6cm , 7.2cm , 6.5cm , 6.3cm , 5.9cm , 5cm , 4.4cm , 3.9cm .Instals tapered bearing races and seals with damage to component or housing.