Check the listing for details. WORKPRO 13PC Torx Bit Socket Set 1/4" 3/8" 1/2" Drive T8-T60 Torx Bit Socket Set. Condition: New. Listed at 29.99 USD. Superior Quality: Machined bits in this torx socket set are made of premium S2 alloy steel for superior hardness and rust resistance. CR-V material sockets are ASIN compliant, that providing superior hardness and torque Packaging & Clear Identification: 13-Pieces torx bit socket set includes: 7PC 1/4" Dr. bit sockets (T8, T10, T15, T20, T25, T27, T30); 5PC 3/8" Dr. bit sockets (T40, T45, T47, T50, T55) and 1PC 1/2" Dr. bit sockets(T60). Sizes are stamped on sockets and on heavy duty storage case for faster recognition and organization Premium Technology: The surface with Black Phosphate Coating of socket set is for extra durability and better lubrication, extending the service life of mechanical components. Toxin-free production for safer use.