size_name	color_name	Select
20? W Single, 7.5? rise	Straight Tread	View
24? W Single, 2.75? rise	Radius Tread	View
20? W Single, 2.75? rise	Straight Tread	View
24? W Double, 7.75? rise	Radius Tread	View
20" W Double, 7.75" Rise	Straight Tread	View
24? W Triple, 8? rise	Radius Tread	View
24" W Triple, 9" Rise	Radius Tread	View
24" W Quad, 8" Rise	Radius Tread	View
24" W Single, 7.5" Rise	Straight Tread	View