As we are never safe with a screw of poor quality or badly adjusted tightening torque, the plight of the screw head messed sometimes complicates Sunday handyman job. This set is essential to avoid having to pester for minutes before overcoming the recalcitrant screw .. when does not leave a gaping hole where the screw! Works perfectly (even without explanation notice): select a slow speed in the right tip and unscrew. FYI, the product is apparently lifetime warranty upon registration on the manufacturer's website: guarantee of quality? Buy it before you need it!
