1-1/2" height x 1-11/16" width (1-1/16" flat bottom width) Simple round wall rail Red oak rails are 2 ply solid. Other wood types are 2 ply finger jointed. Installation tools and brackets also available Please see 6040 Handrail Bella Post Connection Fitting if connecting to our Bella newel post Notes: Rails over 8 feet require LTL Freight shipping 8' handrails are 95". 4' handrails are 47".