Sealey WallDrive Sockets 1/4in Sq Drive - Sealey S1404, 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 S1404 Walldrive Socket 4mm 1/4"sq Drive