Astro Pneumatic 3mm Orbit ONYX Random Orbit Micro Sander – Hook & Loop 321 The Astro Pneumatic 3mm Orbit ONYX Random Orbit Micro Sander – Hook & Loop 321 is the latest technology in ultra compact precision machined internals and is the smallest, lightest, and most powerful sander in its class. 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.