●Torx bit socket set includes: 1/4" drive T10, T15, T20, T25, T27, T30, T35, T40, 3/8" drive T45, T50, 1/2" drive T55, T60, T70; ●Tamper proof security torx bit socket includes: 1/4" drive TT10, TT15, TT20, TT25, TT27, TT30, TT35, TT40, 3/8" drive TT45, TT50, 1/2" drive TT55, TT60, TT70 ●These torx bit sockets are crafted from a combination of S2 alloy steel and chrome vanadium steel, providing excellent resistance to rust and exceptional strength and durability. Theyre ideal for loosening stubborn screws. ●Each torx bit is precisely sized and chamfered to ensure a perfect fit and to reduce wear on fasteners.This torx bit socket set is compatible with a ratchet, making it versatile for servicing vehicles, such as removing axle bolts, addressing brake issues, or performing wheelchair maintenance. ●The size markings on these torx bit sockets are large, clear, and die-stamped, ensuring easy readability that wont wear off over time. Additionally, the set comes with a storage case for convenient transport and quick organization.