Our “HO” scale stiff leg derrick barge/lighter kit is a common sight that follows many prototype barges, once a common sight along the waterfront. They were used for loading and marine construction work such as dock building, vessel loading, salvage, and moving large rock for break walls and riprap etc. This waterline model is supplied with a solid resin hull, photo etched brass parts for the derrick, resin deck and pilot house walls, quality Tichy windows and doors, many special metal castings, and a full timber stiff leg derrick that is manufactured by Crow River Products. Actual size: Length: 10-1/8 in., Width: 3-9/16" in.