Safety traction for your hand. Strength in design, room for one or two hands. 1-1/4: dia. Rail and knuckles don’t scrape the coat. It’s nice to simply grab a handle instead of jamming your hand behind a plastic strap. The molded finger grips are a nice touch to a product you’ll use a dozen times a day leaving and entering your coach. 18-5/8″ tall x 1-1/4″ diameter x 3-3/4″ off the coach. Injection molded will never rust or lose color, with molded soft touch surface. Stainless steel fasteners are recessed when attached to your coach. Ends of rail are paintable to match any surface.