I was looking for small wrenches to adjust nuts and bolts in tight places. These wrenches will do the job as long as the nuts and bolts aren't damaged, rusted, overtightened, or otherwise stuck. They feel stamped rather than cast, and the open ends start to expand if you apply any pressure at all. If you're looking for keys for a bike or some mechanical function that might require you to use significant force, skip this one. They are suitable for my purpose of tightening and loosening parts in…