Sealey walldrive deep sockets 12in square drive sealey s1218d this walldrivereg deep socket from sealey has been manufactured from cold forged chrome vanadium steel hardened and tempered for added strength it is chrome plated and finished in a half chrome half satin effect with knurled ring for extra grip with oily fingers sealey s1218d walldrive socket 18mm deep 12sq drive