It loss 2 screws and was acting likwe it wanted to work and then it stop under presure of a tork. when i got it home to check it out on my own air compresser it begain to loose power. in the head. like. it works forward and reverse, and the tork setting works but it don't have power or full rpm status.

Air Tools & Compressors - Impact - Central Pneumatic 12" Pneumatic Wrench