Blast Media, Glass Beads, Medium Price For: Each Standards: OSHA Size: 53 lb. Item: Blast Media Media Type: Glass Beads Size: 53 lb. US Sieve: 70-140 Nominal Dia. Micron Range: 106 to 212 Nominal Dia. Range: 0.0041" to 0.0083" Grit: Medium Country of Origin (subject to change): United States