RAM 1.5″ Diameter Ball Rail Mount w/Double U-Bolt Base & 2.5″ Round Base (AMPs Hole Pattern
The RAM-101U-235 consists of a double socket arm, one round 2.5″ diameter round base with the universal AMPS hole pattern and stainless steel double u-bolt base that will fit pipes from 1″ to 1.25″ in diameter. Designed into the mount is a 1.5″ diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.
Material:
Powder Coated Marine Grade Aluminum
Ball Size:
1.5″ Rubber Ball Size
Note:
The “U” in the part number reflects product packaged in poly bag.

![RAM Mount Small Tough-Claw w/1.5" Diameter Rubber Ball [RAP-400U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-small-tough-claw-w-1-5-diameter-rubber-ball-rap-400u.webp)
![RAM Mount Tough-Claw Base w/Long Double Socket Arm & Universal X-Grip Cradle w/1" Ball f/7" Tablets [RAM-B-400-C-UN8U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-tough-claw-base-w-long-double-socket-arm-universal-x-grip-cradle-w-1-b.webp)
![RAM Mount Strap Clamp Roll Bar Mount w/Standard Length Double Socket Arm & 2.5" Round Base w/1/4"-20 Male Threaded Post [RAM-B-149Z-2-202AU]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-strap-clamp-roll-bar-mount-w-standard-length-double-socket-arm-2-5-rou.webp)
![RAM Mount 1" Ball Standard Length Double Socket Arm w/Medium Tough-Claw Base [RAP-B-404-201U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-1-ball-standard-length-double-socket-arm-w-medium-tough-claw-base-rap-.webp)
![RAM Mount Large Tough-Claw w/1" Diameter Rubber Ball [RAP-B-401U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-large-tough-claw-w-1-diameter-rubber-ball-rap-b-401u.webp)
![RAM Mount Small Tough-Claw Base w/ 1" Diameter Double Socket Arm [RAP-B-400-201U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-small-tough-claw-base-w-1-diameter-double-socket-arm-rap-b-400-201u.webp)
![RAM Mount Medium Tough-Claw w/1.5" Diameter Rubber Ball [RAP-404U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-medium-tough-claw-w-1-5-diameter-rubber-ball-rap-404u.webp)
![RAM Mount Torque 3/8" - 5/8" Diameter Mini Rail Base w/1" Ball [RAM-B-408-37-62U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-torque-3-8-5-8-diameter-mini-rail-base-w-1-ball-ram-b-408-37-62u.webp)