The Sealey 3/8" Drive Spline Bit Socket M10 (Model SBS008) delivers powerful performance for larger spline fastening applications commonly found in automotive chassis components, heavy machinery assemblies, and industrial equipment maintenance. The M10 size represents a frequently specified fastener dimension in heavy-duty applications, making this socket essential for workshops handling substantial fastening requirements with professional-grade reliability. Manufactured from forged Chrome Vanadium steel with a high-strength S2 steel bit, this socket provides the durability and precision demanded by professional tradespeople. The heat treatment process optimises material characteristics for high-torque applications, whilst the chrome plated finish with fully polished mirror surface ensures excellent corrosion resistance and facilitates easy maintenance. The knurled ring design provides secure grip control even in demanding working conditions with oil-covered hands. Features and Benefit