Sealey Premier Black TRX-Star*/Hex/Spline Socket Bit Set 3/8"Sq Drive 22pc Features: Professional heat treated Chrome Vanadium steel sockets. Fully polished black chrome finish with machined and lacquered surfaces. S2 Steel TRX-Star*, Hex and Spline bits with a phosphate finish. Knurled ring to assist gripping of socket with oily fingers. Supplied in an EVA storage tray. Technical Details: • Professional heat treated Chrome Vanadium steel sockets. • Fully polished black chrome finish with machined and lacquered surfaces. • S2 Steel TRX-Star*, Hex and Spline bits with a phosphate finish. • Knurled ring to assist gripping of socket with oily fingers. • Contents: 3/8"Sq Drive Socket Bits; Spline - M4, M5, M6, M8, M10, M12, TRX-Star* - T10, T15, T20, T25, T27, T30, T40, T45, T47, T50, Hex - 4, 5, 6, 7, 8, 10mm. • Supplied in an EVA storage tray. • Lifetime guarantee*. • Model No. AK7985 • Model No. AK7985 Additional Information: • One of a comprehensive range of Premier Hand Tools,