- Choice of two styles: standard end caps or extended end caps. Chrome finished rectangular end caps for ends of 1/2" x 1-1/2" diameter rectangular hangrail tubing (sold separately). Snaps into the end of rectangular hangrails, and prevents hangers from sliding off the ends of hangrails. Standard end caps fit flush against hangrail; Extended end caps add a couple of inches of hanging room when the hangrail ends in the middle of U-shaped bracket cup. Select style below.