Spanco 2ALU0812 Gantry Crane, 4000 lb Load, 9 ft, 12 ft, 4 in W I Beam Flange

Spanco, 2ALU0812, Gantry Crane, 4000 lb Load, 9 ft Minimum I Beam Height, 12 ft Maximum I Beam Height, 6 in Adjustable Increments, 8 ft Usable I Beam Span Maximum, 10 ft I Beam Height, 4 in I Beam Flange Width, For Use With: Manufacturing, Maintenance and other Material Handling Tasks, Aluminum, Swivel Caster