8pc PREMIUM Spline Socket Bit Set - 1/4" 3/8" & 1/2" Square Drive - M4 to M16Overview: Professional heat treated Chrome Vanadium steel sockets. Fully polished black chrome finish with machined and lacquered surfaces. Steel spline bits with a phosphate finish. Knurled ring to assist gripping of socket with oily fingers. Supplied on socket rail.Features: Professional heat treated Chrome Vanadium steel sockets. Fully polished black chrome finish with machined and lacquered surfaces. Steel spline bits with a phosphate finish. Knurled ring to assist gripping of socket with oily fingers. Contents: 1/4"Sq Drive; M4, M5, M6, 3/8"Sq Drive; M8, M10, M12, 1/2"Sq Drive; M14, M16. Supplied on socket rail. Lifetime guarantee*. Specification: Contents - 1/4"Sq Drive (36mm); M4, M5, M6, 3/8"Sq Drive (50mm); M8, M10, M12, 1/2"Sq Drive (57mm); M14, M16 Drive - 1/4", 3/8" & 1/2"Sq Net Weight - 0.00kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help.Alias: ys01367