19mm Ball-End Hex Socket Bit - 1/2" Square Drive - Chrome Vanadium Wrench Socket | DIY at B&Q
Teng M121506c Hex Bit Socket 6mm 1/2in Square Drive : Amazon.co.uk: DIY & Tools
RS PRO 1/2 in Drive Bit Socket, Hex Bit, 6mm, 100 mm Overall Length | RS
sourcingmap 2pcs 1/2" Drive x H6 (6mm) Hex Bit Socket, S2 Steel Bits CR-V Sockets 4" Length Use with Ratchet Wrench, Slide Bar, Extension Rod : Amazon.co.uk: DIY & Tools
Teng Tools 6mm 1/2 Inch Drive Long Hex S2 Socket Bit - M122506-C : Amazon.co.uk: DIY & Tools