Gorbel 1/4 Ton 500Lb Free Standing 4-Post Bridge Crane 15'Span 18' 6"RunwayUsed Bridge Crane System in Good Condition. Gorbel 500 Lb bridge and runway rails. Total Runway Length: 18' 6" Bridge Length: 16' 4" Span Width: 14' 2" to 15' 8" Max. 4 Upright Posts, 2 Cross Beams. Bridge Rated Capacity: 500 Lbs Runway Track Capacity: 500 Lb (10" Rail height) Under Bridge Height: 12' 10" Upright Post Height: 14' Cross Beam Length: 17' 10" x 3"H Overall Clearance Height: 14' 4" Includes All Hardware Pictured.