The Teng Tools TTBS35 is a comprehensive 35-piece 1/4" and 3/8" bit socket set. It includes a range of bit sockets in various sizes and types, suitable for both 1/4" and 3/8" drive ratchets. Each bit socket is made from high-quality chrome vanadium steel for durability and reliable performance. The set is organized in a convenient tool tray module size 1 (TT1) for easy access and storage. This set includes common screwdriver, hex, and TX bits, with a chrome vanadium satin finish. It is an excellent choice for professionals and DIY enthusiasts needing a diverse range of bit options for their projects. The set contains 1/4” drive bits (PH0, PH1, PH2, PH3, PZ1, PZ2, PZ3, 4mm flat, 4.5mm flat, 7mm flat, TX10, TX15, TX20, TX25, TX27, TX30, TX40), 3/8” drive metric hex bits (3, 4, 5, 5.5, 6, 7, 8, 10, 12mm), 3/8” drive AF hex bits (1/8” 5/32” 3/16” 7/32”, 1/4” 5/16” 3/8”), and adapters (1/4”F:3/8”M and 3/8”F:1/4”M).