TX-STAR® 1/4, 3/8 and 1/2 impact sockets, forged from chrome-vanadium steel. Polished chrome finish. Delivered with glass support bar Contents: 1/4 through square: E4, E5, E6, E7 and E8 3/8 through square: E10, E11, E12 and E14 1/2 through square: E16, E18, E20 and E24