Faithfull FAISOC1222 Hexagon Socket 1/2in Drive 22mm These Faithfull Hexagon Sockets are professional high quality metric sockets forged from chrome vanadium steel which is hardened tempered and satin chrome plated for corrosion protection. 1/2 inch 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 FAISOC1222 Hexagon Socket has the following specifications: Drive: 1/2 inch square. Size: 22mm Hexagon.