Sealey WallDrive Sockets 3/8in Sq Drive Fully Polished - Sealey SP3812, Cold-forged Chrome Vanadium steel sockets. Hardened and tempered for added strength. Chrome plated with a fully polished finish. WallDrive® socket configuration. Knurled ring for extra grip with oily fingers. Sealey SP3812 WallDrive® Socket 12mm 3/8Sq Drive Fully Polished