Socket set 9pc 1 2 sq drive whitworth sealey premier ak2677 chrome vanadium steel sockets in carefully selected set of sizes hardened and tempered with chrome finish for corrosion resistance all sockets include walldrive configuration giving an additional 30 more torque handling power than traditional sockets handles rounded fixings as well sets supplied on socket rail and backed by lifetime warranty sealey ak2677 socket set 9pc 1 2 sq drive whitworth