Crushed Glass Sandblasting Media - Nationwide Shipping from many locations.
Sandblasting Media Glass Beads #8 Medium 70-80 Grit (10 LBS) for Sandblaster Abrasive, Blasting Gun, Sand Blast Cabinet - Amazon.com
20-30 Grit (#25) Crushed Glass Abrasive - 19 lb or 8.6 kg - Blasting Abrasive Media (Course - Very Large) #25 Mesh - 940 to 559 Microns - for Blast Cabinets Or Sand Blasting Guns: Amazon.com: Tools & Home Improvement