Kc Tools 1/2" Drive In-Hex Socket Set MM. Excellent set up to a huge 19mm".
These are a much sought after set with excellent build quality and size range.
Sizes:4, 5, 6, 7, 8, 10, 12, 14, 17 & 19mm
Very heavy duty Chrome vanadium fixed hex sockets with 1/2" drive.