Manufacturer Part Number 303580Z. Model Number 303580Z. The Astro Pneumatic 303580Z Zirconia 80 grit 3/4″ X 20. Included Components Zirconia 80 Grit Sanding Belt 3/4″ x 20.5″ – 10pc. 80 grit sanding belt, great for heavy use and high heat applications such as weld prep.
