LEXIVON Master TORX Bit Socket Set, Premium S2 Alloy Steel Complete 34-Piece, Solid Star & Tamper Proof T6 ~ T70 | Enhanced Storage Case (LX-149) PREMIUM – 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. DURABLE – Drop-forged, Heat-treated S2 alloy steel bits, Reduce wear-outs. Hardened treated Chrome Vanadium steel sockets, Increase turning power. LONGEVITY – Complete rust and corrosion resistance with fully polished, Chrome plated mirror finish sockets and Zinc Phosphate bits treatment. COMFORTABLE – Insert smoothly with precision chamfered bit ends. Sizes are stamped on sockets and on heavy duty storage case for faster recognition. Meet & Exceeds ANSI (The American National Standard Institute)