GEARWRENCH's 9620N 9620 12 pieces reversible combination ratcheting wrench set (metric) contains their original combination ratcheting wrench with a reversing mechanism so you don't have to flip the wrench in the middle of your job. The GearWrench 9620 includes the following sizes: 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, and 19 mm. For added convenience, the 9620 is packaged in a wrench rack.