WETT Master Torx Bit Socket and 60-Piece 1/4", 3/8", 1/2" Drive, silver
Manufacturer: WETT. Drive System: Torx, Torx Plus, Torx Tamper, Torx E. Style: Torx, Torx Plus, Torx Tamper, Torx E. Drive Bit Shank Style: 1/4", 3/8", 1/2". It has various sizes and functions.