This 32pc master set caters all the situations for long or short Torx® jobs that professional mechanics can ever encounter at work. The bits are made of high quality S2 steel (carbon, silicon, manganese, chromium, molybdenum and vanadium) while Chrome Vanadium drive sockets provide excellent rigidity for strength and top resistance to corrosion. The 3 most common square drive sizes along with 4 distinctive body lengths make your jobs easy than ever. In addition, a series of E-Torx® sockets complement the set for variety of occasions.