They've proven to be a great addition to our toolbox here at work in the R&D lab. One of our new machines that we are developing has some really tight places where we need to get to the metric hex nuts/bolts. So, of course, they seem to have been developed with car mechanics in mind. I believe 90% of their market for these curved wrenches will be in mechanics or similar work. I bought a Revain Dickies Work Gear 57007 Grey/Tan Small Wrench Roll to use as a roll up tool bag. for this set of…