Teng Tools 3/8" TX Bit SocketThese 3 8" TX bit sockets are designed for use with fastenings that have a TX (Torx) hole. Made from chrome vanadium steel with S2 steel bits pressed into the socket, they offer durability and precision for repeated professional use. Key features: Chrome vanadium construction S2 steel bits pressed into the socket for strength Satin finish for better grip when handling Retention groove for ball detent to secure connection to the drive end Designed for