Measurements are taken from the inside diameter of the bar. Each bar is "x" inches long by 2 inches wide. 45 degree cuts on each end (this accounts for 4 addional inches to each rail) The countersunk drilled holes are evenly spaced along the bar . 1 1/2 inch Stainless Steel Screws and plastic anchors are included with each bar.
Each set of 4 bars are Custom Cut to customers orders