Feature： 【WIDE COMPATIBILITY】: 30pcs alternator pulley kit has more sizes drill, more style splines socket, more stud and more adapter. 【MORE ADAPTER,SOCKET AND DRILL FOR YOUR CAR】: 30pcs alternator pulley removal instaill tool come with more drill, splines, and adapters, have everything you need for replace alternator pulley, can fit for most vehicle. Meets your different needs 【EASY REMOVE ALTERNATOR PULLEY】: The alternator pulley tool kit allows for easy disassembly of the freewheel alternator, to make the accessory drive run quieter and smoother, reduce vehicle vibration .