The park tool prs 42 deluxe bench mount repair stand is a professional quality bench mount repair stand designed and built to withstand the rigors of everyday shop use includes three mounting holes making it possible to clamp as high as 1625 41cm from the bench surface park tool prs 42 deluxe bench mount repair stand features shop quality 100 3c clamp quickly adjusts to fit any frame tube up to 1 58 41mm the clamp jaws are nominally 4 inches 10cm wide clamping height can