Sealey WallDrive Deep Sockets 1/2in Sq Drive Fully Polished - Sealey SP1211D, Cold-forged Chrome Vanadium steel socket. Hardened and tempered for added strength. Chrome plated with a fully polished mirror finish. WallDrive® socket configuration. Knurled ring for extra grip with oily fingers. Sealey SP1211D Walldrive® Socket 11mm Deep 1/2sq Drive Fully Polished