Ko-ken RS3400M/12 3/8 Sq. Dr. Socket set 8-19mm 6 point 300mm 12 pieces

3/8" square drive, Metric, 6-Point Socket Set in 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19mm. This set is seated on a 300mm metal rail.