This 23 piece 1/2\" square drive imperial socket set is suitable for a variety of tasks The Elora 50649 is a Professional Quality 1/2\" square drive imperial socket set. It is manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Packed in heavy gauge steel storage case with plastic insert. Features: Manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection.  Packed in heavy gauge steel storage case with plastic insert Contains: 18 x Bi - hexagon sockets: 3/8, 7/16, 1/2, 9/16, 19/32, 5/8, 11/16, 3/4, 25/32, 13/16, 7/8, 15/16, 31/32, 1, 1.1/16, 1.1/8, 1.3/16, 1.1/4\" AF 1 x Reversible ratchet with Quatrolit soft-grip handle 2 x Extension bars: 125mm, 250mm 1 x Sliding \'T\' bar 1 x Universal joint Specification: Pack Qty: 23 piece