• Clamping base ideal for posts from 1.25" to 1.875" in diameter
  • Included C size 1.5" RAM® rubber ball allows for connection to 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 Ball Base for 1.25" - 1.875" Rails - C Size
Part#:RAM-271U-12 UPC:793442027116
The RAM-271U-12, round pipe base, consists of a 1.5" rubber ball connected that will connect to a pipe tubing diameter from 1.25" to 1.875" in diameter.

hardware included

(2) 1/4"-20 x 1.5" Screws
(2) 1/4"-20 Nylock Nuts
(2) Rubber Caps

clamp range

1.25" - 1.875" 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


0.6 lb