These Faithfull Hexagon Sockets are professional, high-quality 3/8in drive metric sockets forged from chrome vanadium steel, which is hardened, tempered and satin chrome plated for corrosion protection.

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 FAISOC3821 Hexagon Socket has the following specifications:
Drive: 3/8 inch square.
Size: 21mm Hexagon.