Handrail Extension, Handrail Shape Round, Handrail Component Material Steel, Top Rail Height 42 in, 4 ft, Handrail Dimensions 1 7/8 in, Color Black, Yellow, Mounting Plate Dimensions 5 in x 5 in, Includes (2) Rails, Post, Overall Height 42 in, Mounting Hole Dia. 7/16 in, Number of Mounting Holes 4, Midrail Height 21 in