Ko-ken RS3010M/8-L38 3/8" Sq. Dr. 8-Piece Hex Bit Socket Set features high-quality 100mm hex bit sockets designed for precision and durability. This set includes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, and 12mm sizes, making it versatile for various tasks. Each socket is crafted to fit securely on a 3/8" drive, and the set is organized on a 200mm rail for easy access and storage. Ideal for both professional mechanics and DIY enthusiasts, this set provides reliable performance in a range of applications.