This jimy Serpentine Belt Tool Kit services a variety of vehicles equipped with a serpentine accessory drive belt. The jimy Kit provides the required leverage and clearance to release the spring pressure and remove the tensioner pulley. The Belt Tool Includes a long handle and four shallow 13, 15, 16 and 18 mm sockets. The handle has a 3/8 Inch square drive for those jobs requiring extra leverage. A 1/2 Inch drive adapter is also included. Comes in a sturdy molded plastic storage/carry case.