PRN516 Pneumatic Rivet Nut Setting Gun W/ Quick-Change 1/4” & 5/16” Mandrels Astro Pneumatic ONYX PRN516 Pneumatic Rivet Nut Setting Gun W/ Quick-Change 1/4” & 5/16” Mandrels Astro Pneumatic ONYX has dial in regulator settings for specific rivet nut sizes and compositions with forward and reverse actions for quick operation. 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.