Titan E-Star Socket Set - 13 Piece contains 1 ea of the following sizes: 1/4 inch drive - E-4, E-5, E-6, E-7, E-8; 3/8 inch drive - E-10, E-12, E-14, E-16; 1/2 inch drive - E-18, E-20, E-22, E-24. It has a gold aluminum anodized socket. It has a rail CRV construction magnetic base.