This is a 10-piece set of metric ratcheting combination wrenches, ranging from 6mm to 18mm, intended for general mechanical work. Overall, it seems like a decent set for light to medium duty tasks.

Pros
• The ratcheting mechanism allows for faster tightening and loosening of bolts, which is a real time saver.
• Constructed from CR-V steel, which should provide decent durability and resistance to corrosion for the average user.
• The inclusion of a pouch helps keep the wrenches organized and prevents them from getting lost in a toolbox.
• Having a range from 6mm to 18mm covers many common fastener sizes encountered in automotive and household repairs.

Cons
• The smaller wrench sizes might struggle with high-torque applications; they're likely better suited for lighter tasks.
• The ratcheting mechanism, while convenient, adds bulk to the wrench head, potentially limiting access in tight spaces.

Verdict
This wrench set is a good option for DIYers and hobbyists who need a basic set of ratcheting wrenches for occasional use. While not professional-grade, the ratcheting feature and range of sizes make it a worthwhile addition to a home toolkit.