Buy 3/8 inch socket wrench, hex. socket, inch online
MIXPOWER 3/8 Inch Drive Long Hex Bit Socket Set, 1/16 Inch to 1/2 Inch, SAE, Extra Long Allen Hex Bit Socket Set, CR-V and S2 Steel, 10 Pieces : Amazon.co.uk: DIY & Tools
7 Piece 3/8" Drive Extra Long Hex Bit Socket Set - Machine Mart - Machine Mart
Halfords Advanced Hexagon Bit Socket 8mm 3/8" Drive | Halfords UK