• Clamping base ideal for square posts up to 3" in width
  • Included B size 1" RAM® rubber ball allows for connection to any B 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® Square Post Clamp Base for Posts up to 3" Wide - B Size
Part#:RAM-B-247U-3 UPC:793442124754
The RAM-B-247U-3 consists of a 3" clamp base with 1" ball.

hardware included

(2) 5/16"-18 x 3" Machine Screws
(2) 5/16"-18 Nylock Nuts

clamp range

3" max width

ball size

B Size (1")

weight capacity

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb


Marine-grade aluminum

packaging type

Poly Bag


0.83 lb