RAM Mounts D-Size 6.25 inch x 2 inch Plate with Short Double Socket Arm and Round Base

On a fishing boat in rough seas, a captain needs a rock-solid mount for his chartplotter. The RAM Mounts D-Size 6.25" x 2" Plate with Short Double Socket Arm and Round Base delivers exactly that. Built from marine-grade aluminum with a powder-coated finish, it shrugs off salt spray and vibration. The 2.25" rubber ball and socket joints absorb shock while allowing full 360-degree rotation and tilt, so you can position your electronics exactly where you need them.

Key specifications

• D-size mounting system with 2.25" (57.15 mm) ball diameter
• Short double socket arm: 3.5" (88.9 mm) socket-to-socket length
• Top plate dimensions: 6.25" x 2" (158.75 mm x 50.8 mm) with multiple pre-drilled holes for Garmin, Humminbird, Lowrance, and other devices
• Round base with 4-hole AMPS pattern (1.812" x 1.812" center-to-center) and 3.68" (93.47 mm) diameter
• Material: powder-coated marine-grade aluminum, corrosion-resistant
• Max load capacity: up to 15 lbs (6.8 kg)
• Includes RAM-D-246U plate, RAM-D-201U-C short arm, and RAM-D-202U round base

Why choose it

This mount is engineered for demanding environments. The rubber ball and socket design provides excellent vibration damping, protecting sensitive electronics from shock and impact. The short arm keeps devices close to the mounting surface for a low-profile, stable setup. With a lifetime warranty from RAM Mounts, you can trust it to last season after season.

Ideal use cases

• Marine electronics: fishfinders, chartplotters, GPS units on boats
• Off-road vehicles: mounting tablets, GPS, or action cameras
• Industrial settings: securing small displays or control panels

Good to know

Compatible with any device or cradle that uses the AMPS hole pattern or the pre-drilled holes on the top plate. The mount is fully adjustable and can be tightened securely to hold position even in high-vibration environments.