Commercial grade dual use strength range made by impulse impulse sterling is the official supplier for the chinese national weight lifting team the impulse dual use lat pulldown vertical row is great for doing exercises on many different parts of your body but mainly your lats warranty of the impulse dual use lat pulldown vertical row 5 years on frame 1 year on moving parts 90 days on upholstery cables and belts tubing thickness range is from 2 5 mm to 3mm electro welded to maximum integ