• Double ball rail base accommodates rails from 2" to 2.5" in diameter
  • Includes two C size 1.5" RAM® rubber balls for connecting any C size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty
RAM® Rail Clamp Double Ball Base for 2" - 2.5" Rails
Part#:RAM-271-2-RBU UPC:793442015434
This double ball rail base accommodates rails from 2" to 2.5" in diameter. With two C size 1.5" diameter ball adapters, you can attach two C size socket arms for mounting multiple devices off of one base. This minimizes the need for multiple attachment points needed for a multi-device mounting system; ideal for forklift mounting with minimal available space.

hardware included

(4) 1/4"-20 x 1.5" Screws
(4) 1/4"-20 Nylock Nuts
(4) Rubber Caps

clamp range

2" - 2.5" diameter

ball size

C Size (1.5")

weight capacity

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs


Marine-grade aluminum

packaging type

Poly Bag


1.03 lb