The Performance Tool 7pc triple square bit set is a must-have for anyone working on compatible models such as VW, Audi, and Porsches. These serrated bits are ideal for working on applications such as head bolts, disc brake calipers, and axle shafts. Made with CRV sockets and S2 steel bits, this set is built to last and withstand heavy use. With a range of sizes from extra-long 8, 10, and 14mm 12 pt. to short 12mm 12 pt., 14mm and 16mm 12 pt. bits hex shank, and a rounded spreader bit, you will always have the right tool for the job. Plus, the included blow molded storage case keeps your bits organized and easily accessible, saving you time and hassle on the job.