90 Degree Inside Vertical Elbows For Tray Width 18 in Width 18 in Height 4 1/4 in Length 28 1/4 in Material Aluminum Includes Splice Plate Application Changes Direction in a Vertical Plane Bend Radius 24 in For Use With 24 in Ladder Tray of Flange 13/16 in Aluminum Finish Aluminum Load Depth 4 in