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						A support assembly is made up of a crossarm, including two leg clamps and two crossarm clamps, and two complete legs. Support assemblies are installed underneath a ramp and are used to connect two individual ramp sections. - 
	
						The built-in adapter is an optional replacement for the uppermost piece of tread in a ramp section. The built-in adapter extends out beyond the end of the ramp, enabling the ramp to rest on the raised surface. Please select the length built-in adapter that best corresponds to the width of your ramp.