WHOLESALE 12" SHELF BAR FOR GRID WALL 12" hang rack bar. 195 metal panel thickness 3/32" (2.5 mm). Big side width 1 3/4" (45 mm). Small side width 5/8" (16 mm). ⚠ WARNING: This product can expose you to LEAD, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.