Features and Benefits:Universal joints: 1/4 3/8 1/2"81Wobble extension bars 1/4 3/8 1/2Adapters 1/4 3/8 1/2"Set Includes:Universal Joint: 1/4 in., 3/8 in., 1/2 in.Wobble Extension Bars:1/4 in. Dr. -2 in, 4 in, 6 in3/8 in. Dr. -3 in, 6 in, 10 in1/2 in. Dr. - 3 in, 5 in, 10 inAdapters: 1/4 in. F x 3/8 in. M 3/8 in. F x 1/4 in. M 3/8 in. F x 1/2 in. M 1/2 in. F x 3/8 in. M 1/2 in. F x 3/4 in. MItem specificsCondition: New Socket Type: ImpactManufacturer Part Number:81483Drive Size: 1/4, 3/8, 1/2Brand:TitanTools Included: Adapter, ExtensionSet or Single Item: Set UPC:802090814839Titan 81483 17 Piece Impact Adapter Set