This set consists of the following: 
1/4" Drive: 7 sockets - 4, 4.5, 5, 6, 7, 8, 9 mm + 1 spinner handle 150 mm
3/8" Drive: 7 sockets - 10, 11, 12, 13, 14, 17, 19 mm+ 2 extension bars - 75, 150 mm + 1 adapter - 1/4" x 3/8" + 1 reversible ratchet handle 200 mm + 1 spark plug socket + 1 case