SK Tools USA 11pc METRIC Locking Flex Head Ratcheting Wrench Set. Metric 8mm to 19mm (Again, missing 13mm). Made in the USA. Used wrench set in working condition. The ratcheting action works nicely on all of them. The locking mechanism does not work on the 18mm, 15mm, 10mm, and 8mm. These wrenches still work fine, but the box ends just don’t lock into position. The drive ends and the points look strong and functional. Generally clean, with some typical signs of use and cosmetic imperfections. I try to take pictures from all angles that represent the true quality of the tool(s). If you have any questions or want additional pictures please let me know.