Spanco 900 series trussed track drop rod hanger assemblies are the standard hanger assemblies provided with all 900 series track. Each assembly includes two adjustable roof beam clamps for a secure fit to existing building support beams, track hangers, 12-inch long threaded drop rod, hanger bar, and necessary hardware. Longer drop rod lengths are available. Standard hanger assemblies accommodate flange widths from 2-1/4-inches to 8 inches and flange thicknesses from 1/4-inch to 7/16-inch. For different flange widths and thicknesses, contact Spanco.