8 piece set includes 1/4″ drive in E6, E7, E8, E10 and 3/8″ drive in E12, E14 and 1/2″ drive in E16, E18

With Rugged Universal Socket Rail, bits made in Germany.   # 77391        $41.29

You can find a variety of types and sizes of individual sockets at Contractors Warehouse, as well as different sets as low as $12.