The Channellock Metric 3/8 In. Drive 6-Point Hex Bit Socket Set provides reliable performance with textured bands for enhanced grip and control. Made from durable chrome vanadium steel, this set includes seven essential hex bit sizes, perfect for a variety of tasks. Complete with a convenient storage socket rail, it's backed by a lifetime warranty for lasting durability. Includes the following bits: 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, and 10 mm.