RAM Rail Base with Stainless Steel U-Bolt & 1" Ball for Rails from 0.5" to 1" in Diameter - RAM-B-231U

The RAM-B-231U consists of a 1" rubber ball designed to sit at right angles to the mounting rail. The rust proof metal u-bolt accommodates rails in diameter from 0.5" to 1" in diameter. Included are black cover caps to be placed over the exposed ends of the u-bolt and a composite adapter that can narrow the rail to a minimum width of 0.5".  Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 1" Rubber Ball "B" Size Note: The "U" in the part number reflects product packaged in poly bag. If you prefer the RAM (RAM-B-231ZU) zinc coated u-bolt motorcycle handlebar base, click here. Weight:0.21 lbs. U-Bolt Dimensions:Accommodates rails from 0.5" to 1" in diameter. Videos RAM Rail Base with Stainless Steel U-Bolt & 1" Ball for Rails from 0.5" to 1" in Diameter RAM® Mounts for Motorcycles RAM® Mounts: Ball Sizes & Weight Capacities Compatible With Compatible Arms and Mounts RAM® X-Grip® Cell Phone Cradle with Double Socket Arm - RAP-HOL-UN7B-201U RAM® X-Grip®