The LEXIVON Master TORX Bit Socket Set is built to professional-grade standards. 34-Piece Master Torx socket set, Features a wide range of Solid & Tamper proof Torx Bit Sockets. Crafted and Designed with superior materials for increased torque and unmatched hardness. Drop-forged, Heat-treated S2 alloy steel bits, Reduce wear-outs. Hardened treated Chrome Vanadium steel sockets, Increase turning power. Complete rust and corrosion resistance with fully polished, Chrome plated mirror finish sockets and Zinc Phosphate bits treatment. Insert smoothly with precision chamfered bit ends. Sizes are stamped on sockets and on heavy duty storage case for faster recognition.