Also known as: SK 19763, SK19763, SKT-19763, SKT19763; Features and Benefits: SuperKrome finish provides long life and maximum corrosion resistance Through-hole design: simply pop the old bit out and insert a new replacement bit New bit holder design is 9 times stronger and helps prevent the bit from slipping out of the socket while working High strength, S2 steel bits Lifetime warrantyThis 35 piece set is made in the U.S.A. and is our most complete Torx bit socket set. Bit sockets feature SKGÇÖs high polish SuperKrome-« finish, which provides for long life and maximum corrosion resistance. Through-hole design makes it easier to replace worn or broken bits: simply pop the old bit out and insert a new replacement bit. Bits are manufactured to rigid standards using high strength S2 steel. This set also features Tamper-proof TORX-« bit sockets, designed for use on tamper-resistant hex fasteners found in a variety of industrial and institutional settings, and Female TORX-« sockets manufactured to rigid standards.