1/2in Square Drive is the most popular drive size used in the UK and Ireland, due to its strength and durability.
Faithfull sockets have a hexagon design that gives an accurate fit on both nuts and bolts and the chamfered end allows easy nut location and entry.
The FAISOC1211 Hexagon Socket has the following specifications:
Drive: 1/2 inch square.
Size: 11mm Hexagon.
