Sealey WallDrive® Deep Sockets 1/2in Square Drive - Sealey S1221D, Cold-forged Chrome Vanadium steel socket. Hardened and tempered for added strength. Chrome plated in half chrome, half satin finish with knurled ring for extra grip with oily fingers. WallDrive® socket configuration. Sealey S1221D Walldrive Socket 21mm Deep 1/2"sq Drive
