To use. The ability of the free ring can rotate the wrench or the chest without having to remove the spanner nut out of the work piece or we want to rotate. For speed and convenience.
The use of the WRENCH free to rotate or chest by. No need to remove the wrench from the workpiece or screw heads that we want to rotate. For easy and fast
Use.The ability of the ring spanner free can rotate in or out. Do not remove the wrench from the target, or head bolts that we want to rotate. For convenience and fast.