As a loyal Industrial and Scientific customer I was very disappointed to have purchased this Industrial Hand Tool .As a result of my tests, I determined that the drivers ball end wore down and became ineffective after only a few uses, making it useless for my needs. The only positive aspect was the product's initial build quality, which unfortunately did not translate to long-lasting performance. Save your money and invest in a better quality tool..
Pros
Easy to use and control thanks to its ball end design.
Very strong tool made from high quality steel. I don't know what steel is used, but the tip is hard enough not to deform, the shaft is flexible enough not to break, and that thin little part where the hex ball meets the shaft is surprisingly strong . I've used this screwdriver quite a bit, and sometimes when removing a stuck screw I've tightened it just a little more than comfortably, but with no damage. But let me be clear that the grip is quite large for a shank of this size, so be aware that