Teng M381106 S2 3/16-inch/ 3/8-inch Hex Socket Bit Drive : Amazon.co.uk: DIY & Tools
Stahlwille 02450012 3/16" x 3/8" Socket for Hex Head Screws
CASOMAN 18 Pieces 3/8 Inch Drive Long Hex Bit Socket Set,1/8 Inch to 3/8 Inch, 3mm to 10mm, SAE&Metric, Extra Long Allen Hex Bit Socket Set, CR-V and S2 Steel : Amazon.co.uk:
Gedore IN 19 PA 1/2″ Drive 9 Piece In-Hex Hexagon Bit Socket Set 3/16-5/8″ AF | PrimeTools
BSF 3/16" Socket Set Screw Grub Plain Cup End HT 14.9 – Fixaball Ltd. Fixings and Fasteners UK