Introducing the Professional 8 Piece Lock On Hex Socket Bit Set, designed for both DIY enthusiasts and professionals. This comprehensive set includes durable S2 steel bits with a zinc phosphate finish, ensuring longevity and resistance against rust and wear. The sockets are crafted from heat-treated Chrome Vanadium steel, providing exceptional strength and reliability.Key Features:- 8 pieces of professional-grade hex sockets designed for 1/4" and 3/8" square drives.- Patented twist design grips tighter as you turn, preventing fasteners from rounding.- Effortlessly removes rusted, damaged, and severely rounded hex head fasteners.- Each socket is supplied on a convenient metal rail for easy organization.- Sizes include: 1/4" Sq Drive; 3, 4, 5, 6mm and 3/8" Sq Drive; 7, 8, 9, 10mm.Specifications:- Maximum Length: 48mm- Minimum Length: 38mm- Net Weight: 0.280kgWith a lifetime guarantee, you can trust the quality and performance of our bit set. Explore our wide selection of tools and workshop equipment tailored for various tasks, whether big or small. If you need assistance finding the right tool for your project, don’t hesitate to contact us. We are here to help!.