sourcingmap 1/2" Drive x H10 (10mm) Hex Bit Socket, S2 Steel Bits CR-V Sockets 4" Length Use with Ratchet Wrench, Slide Bar, Extension Rod : Amazon.co.uk: DIY & Tools
1/2" Drive 10mm Metric Super Lock Shallow 6-Sided Single Hex Socket Bergen | DIY at B&Q
Teng 10mm 1/2" Drive Long Hex Bit Metric Socket M122510-c
Koken 4010M.100-10 10mm 100mm Long 1/2"Drive HEX BIT Socket | UKtools
Hex Socket 10mm H10 M10 1/2" Drive Allen Key Single Socket Hex Key 55mm Length | eBay