General description This Draper 16446 Square Drive Socket Set offers professional-quality tools designed for durability and precision. Made from chrome vanadium steel that is hardened and tempered, these sockets feature a micro satin finish for smooth handling. The set includes a variety of metric sizes suitable for a wide range of applications, along with accessories for versatile use. All components are stored in a sturdy plastic case for easy organization and transport. Technical specifications Material: Chrome vanadium steel, hardened and tempered Finish: Micro satin Socket sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm (standard) and 6, 8, 10, 11, 12, 13mm (deep) Drive size: 1/4 inch Number of sockets: 10 standard and 6 deep sockets Ratchet: 72-tooth reversible with soft grip handle and quick-release button Additional tools: Spinner handle, wobble extension bars (50mm and 150mm), sliding T-bar, universal joint, and various socket bits Bits included: Plain slot, cross slot, PZ, hex,