RAM® Marine Electronics Ball Adapter
The RAM-D-115BU, a universal mounting plate, consists of a 2.25″ diameter rubber ball, connected at right angles to a flat 6.25″ x 2″ rectangular plate. The plate contains different combinations of pre-drilled holes which will match up to many electronic devices.
Features:
- D size ball adapter for 9″-12″ fishfinder gimbal brackets
- RAM® Mounts ball and socket technology allows for near-infinite adjustability
- Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
- Backed by a lifetime warranty
Specifications:
- Plate Size: 6.25″ x 2″
- Ball/Socket Size: D Size (2.25″)
- Weight Capacity: Standard Use: 6 lbs/Heavy-Duty Use: 5 lbs
- Materials: Marine-Grade Aluminum
- Additional Information: The 6.25″ x 2″ rectangle base is a universal mounting bracket with a selection of mounting hole locations. In certain applications, additional holes may need to be drilled for proper fit with your electronic device.

![RAM Mount Small Cable Manager f/1" & 1.5" Diameter Ball Bases [RAP-403U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-small-cable-manager-f-1-1-5-diameter-ball-bases-rap-403u.webp)
![RAM Mount Heavy Duty Marine Electronics Mount w/Combination Pin-Lock Security Kit Short Arm [RAM-SG-D-111U-C]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-heavy-duty-marine-electronics-mount-w-combination-pin-lock-security-ki.webp)
![RAM Mount 1" Diameter Ball Mount w/Short Double Socket Arm,6.25" x 2" Rectangle Base & 2.5" Round Base (AMPS Pattern) [RAM-B-111U-A]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-1-diameter-ball-mount-w-short-double-socket-arm-6-25-x-2-rectangle-bas.webp)
![RAM Mount Heavy Duty Marine Electronics Mount w/Pin-Lock Security Kit Short Arm [RAM-S-D-111U-C]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-heavy-duty-marine-electronics-mount-w-pin-lock-security-kit-short-arm-.webp)
![RAM Mount Quick Release Mount f/Lowrance Mark & Elite 4 [RAM-B-101-LO11]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-quick-release-mount-f-lowrance-mark-elite-4-ram-b-101-lo11.webp)
![RAM Mount Marine Electronics Universal Mount - Gimbal Bracket Under 10lbs. [RAM-111U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-marine-electronics-universal-mount-gimbal-bracket-under-10lbs-ram-111u.webp)
![RAM Mount 1" Ball "Light Use" Composite Mount f/Lowrance Elite-4 & Mark-4 Series Fishfinders [RAP-B-101U-LO11]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-1-ball-light-use-composite-mount-f-lowrance-elite-4-mark-4-series-fish.webp)
![RAM Mount Trolling Motor Stabilizer w/Long Arm [RAM-108-DU]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-trolling-motor-stabilizer-w-long-arm-ram-108-du.webp)