The Sealey 8 Piece 3/8" Drive Impact Spline Socket Bit Set is a professional-grade socket set designed for demanding fastening applications. Manufactured from hardened and tempered Chrome Molybdenum steel, this versatile set provides exceptional durability and resistance to wear in workshop and site environments. The manganese phosphate finish delivers reliable corrosion resistance, ensuring long-term performance even in challenging conditions. Each 3/8" square drive impact spline socket bit is engineered to withstand the high torque forces typical of impact driver use, making this set particularly suitable for automotive work, machinery maintenance, and general engineering tasks. The inclusion of a locking 1/2" square drive quick change adaptor enhances versatility, allowing seamless integration with power tools and impact wrenches. The comprehensive size range from M6 through to M18 covers the most commonly encountered metric spline fasteners, reducing the need for multiple socket sets on site. Supplied in a practical EVA storage tray, the set keeps socket bits organised and protected between jobs. The lifetime guarantee provides added confidence in the quality and longevity of this professional tooling investment. Features and Benefits: • Chrome Molybdenum steel construction for superior strength and durability • Manganese phosphate finish resists corrosion in tough working environments • Locking quick change adaptor enables fast socket changes with power tools • Comprehensive M6-M18 size range covers common metric spline applications • EVA storage tray keeps socket bits organised and protected Specifications: Brand: Premier Contents: 3/8"Sq Drive Sockets; M6, M8, M10, M12, M14, M16, M18, 1/2"Sq Drive Quick Change Adaptor Nett Weight: 0.545kg