PRN2 1/2” Capacity Automatic Rivet Nut Setting Kit Astro Pneumatic Metric & SAE The PRN2 1/2” Capacity Automatic Rivet Nut Setting Kit Astro Pneumatic Metric & SAE has an automated operation. One pull of the trigger sets and unthreads the tool from rivet nuts up to M12 and 1/2”. Simple mandrel thread size changes, push back spring loaded roll pin hex retainer under nose cover to unlock and unthread mandrels by hand. 4270 lbs of instant air-hydraulic pulling force and up to 7mm of adjustable stroke length, set by rotating the rear drum to your desired stroke setting. Astro Pneumatic Air Tools are ideal for body shop repair, muffler and exhaust work and provide the highest quality in the industry to assure you get the job done right.

With over 40 years of importing product into the U.S. Automotive Aftermarket, Astro Pneumatic Tool Co. offers several product categories for one-stop shopping. Our products under our own brand name Astro Pneumatic include the popular tool and equipment classics, as well as innovative new items.