Blast Media, Abrasive Media Type Steel Shot, Grit Not Rated, Container Size 25 lb, Compatible Mesh Size - Minimum 20, Compatible Mesh Size - Maximum 230, Compatible Blast Pressure - Minimum 80 psi, Compatible Blast Pressure - Maximum 100 psi, Number of Cycles - Minimum 20, Number of Cycles - Maximum 30, Container Type Box, Particle Diameter - Minimum 297 micron, Particle Diameter - Maximum 710 micron