This Sealey Premier TRX-Star* Deep Socket Set features drop-forged Chrome Vanadium steel deep sockets, which are heat treated and chrome plated for resistance to corrosion. The sockets have a fully polished finish with a knurled ring to assist gripping with oily fingers. The set includes sockets in sizes: 1/4""Sq Drive; E4, E5, E6, E7, E8, 3/8""Sq Drive; E10, E11, E12, E14, E16, and 1/2""Sq Drive; E18, E20, E22, E24. All sockets are supplied on a socket rail. This product comes with a lifetime guarantee*. Model No. AK6114. Net Weight: 1.14kg. Supplied on socket rail.