RAM Double 1″ Ball Adapter
The RAM-B-230U, double ball joiner, consists of a 1″ rubber ball on both ends that allow the connection of two 1″ socket arms. When measured from ball center to ball center the arm length is 1.75″. This mount is ideal if the your mount arm is just too short.
Material:
Powder Coated Marine Grade Aluminum
Ball Size:
1″ Rubber “B” Ball Size

![RAM Mount Mixed Combination Pin-Lock Security Knob & Key Knob f/1" Diameter B Size Arms [RAP-S-KNOB3U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-mixed-combination-pin-lock-security-knob-key-knob-f-1-diameter-b-size-.webp)
![RAM Mount V-Base Rail Yoke Clamp Mount [RAM-B-108BU]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-v-base-rail-yoke-clamp-mount-ram-b-108bu.webp)
![RAM Mount Triple 1" Ball Base [RAM-B-289U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-triple-1-ball-base-ram-b-289u.webp)
![RAM Mount Composite Double Socket Arm f/1" Ball [RAP-B-201U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-composite-double-socket-arm-f-1-ball-rap-b-201u.webp)
![RAM Mount Motorcycle Fork Stem Base w/1" Ball [RAM-B-342U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-motorcycle-fork-stem-base-w-1-ball-ram-b-342u.webp)
![RAM Mount 2.5" Composite Round Base w/1" Ball [RAP-B-202U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-2-5-composite-round-base-w-1-ball-rap-b-202u.webp)
![RAM Mount 2.5" Triple Magnetic Base Adapter [RAP-339U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-2-5-triple-magnetic-base-adapter-rap-339u.webp)
![RAM Mount Composite Diamond Base w/1" Ball [RAP-B-238U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-composite-diamond-base-w-1-ball-rap-b-238u.webp)