The Ko-ken RS3010M/8-L100 3/8" Square Drive Hex Bit Socket Set offers precision and versatility with its 8-piece collection. This set includes hex bit sockets in sizes 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, and 12mm, each with a 100mm length for extended reach and access to deep-set fasteners. The 3/8" drive ensures compatibility with various tools, while the chrome finish enhances durability and resists corrosion. Mounted on a 200mm rail for easy organization and quick access, this set is ideal for automotive repairs, machinery maintenance, and general mechanical work, providing reliable performance and convenience for demanding tasks.