Description
The RAM® Rail Clamp Base provides a D Size 2.25" Ball mounting point on round rails and pipes measuring 2" to 2.5" in diameter. Its clamp-style design creates a secure attachment point without requiring holes to be drilled into the rail.
The integrated ball connects to compatible RAM D Size double socket arms for adjustable positioning of attached equipment.
Key Features
-
RAM D Size 2.25" ball connection
-
Fits round rails and pipes from 2" to 2.5" in diameter
-
Clamp-style installation does not require drilling into the rail
-
Compatible with RAM D Size 2.25" double socket arms
-
Marine-grade aluminum construction
-
Includes screws, Nylock nuts, and rubber caps
-
Supports up to 6 lbs during standard use and 5 lbs during heavy-duty use
Use Cases & Compatibility
This rail base is designed for compatible round rails, posts, and pipe tubing measuring 2" to 2.5" in diameter. It is compatible with a variety of RAM D Size 2.25" socket arms and mounting components.
Specifications
Ball Size: D Size 2.25" Ball
Clamp Range: 2"–2.5" diameter
Material: Marine-grade aluminum
Weight Capacity: Standard Use: 6 lbs; Heavy-Duty Use: 5 lbs
Product Weight: 1.22 lb
What’s Included
-
(4) 1/4"-20 x 1.5" screws
-
(4) 1/4"-20 Nylock nuts
-
(4) rubber caps
Brand & Warranty
Brand: RAM Mounts
Manufacturer Part Number: RAM-D-271U-2
Warranty: Manufacturer’s lifetime warranty.
Gadget Mounts is an Authorized RAM Mounts Dealer.

