he RAM® Pin-Lock™ Marine Electronics Mount with Medium Arm is a secure, vibration-damping mounting solution designed for marine electronics, tablets, GPS units, and fishfinders. Built around the trusted RAM® B Size 1" ball and socket system, this mount offers precise adjustability while maintaining rock-solid stability in harsh marine environments.
This configuration features a 2.5" round AMPS base, a medium-length double socket arm, and a 6.25" x 2" rectangular mounting plate with multiple hole patterns for broad device compatibility. The integrated Pin-Lock™ security nut and keyed knob add tamper resistance without sacrificing ease of adjustment—ideal for open cockpits, consoles, and exposed marine installations.
Constructed from powder-coated, marine-grade aluminum, this mount is built to resist corrosion, vibration, and continuous exposure to saltwater conditions. Proudly made in the USA and backed by a manufacturer’s lifetime warranty, it’s a dependable mounting solution trusted by boaters, anglers, and marine professionals.
As an Authorized RAM Mounts Dealer, Gadget Mounts ensures you receive genuine products backed by full manufacturer support.
Key Features
• B Size (1") ball and socket system for secure, adjustable positioning
• Medium-length double socket arm for balanced reach and stability
• Pin-Lock™ security nut with keyed knob for tamper resistance
• 2.5" round base with universal AMPS hole pattern
• 6.25" x 2" rectangular base with multiple pre-drilled hole options
• Powder-coated marine-grade aluminum construction
• Designed to withstand vibration, moisture, and harsh marine conditions
• Made in the USA with manufacturer’s lifetime warranty
Specifications
Socket-to-Socket Length: 3"
Overall Arm Length: 3.73"
Overall Height (Fully Straight): 5"
Top Plate Size: 6.25" x 2"
Bottom Plate Size: 2.5" Diameter
Hole Patterns:
• 4-Hole AMPS: 1.181" x 1.496"
• 3-Hole 120-Degree: 1.812" Diameter
Ball Size: B Size (1")
Weight Capacity:
• Standard Use: 2 lbs
• Heavy-Duty Use: 1 lb
Material: Marine-grade aluminum
Product Weight: 0.72 lbs
Included Hardware
(1) RAM® Pin-Lock™ Security Key
Notes
• Drill-down mounting screws are not included. Common mounting screw sizes may include #8, #10, M4, or M5 depending on mounting surface
• Additional drilling may be required for certain device installations
Brand and Warranty
Brand: RAM Mounts
Part Number: RAM-S-B-111U
Warranty: Manufacturer’s Lifetime Warranty