• Clamping base ideal for square posts from 1.75" - 4" in width; adjustable and easily removable
  • 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 1.75" - 4" Wide - B Size
Part#:RAM-B-247U UPC:793442921230
This RAM® Square Post Clamp Base (RAM-B-247U) is a clamp base with B size 1" rubber ball that will connect to square posts ranging from 1.75" to 4" in width. Ideal for forklifts, the slotted holes on this base make this variation the most universal clamp base option; recommended for small devices such as phones, cameras, handheld PCs, and more.

hardware included

Assembly Hardware
(2) 5/16"-18 x 3.5" Hex Bolts
(2) 5/16"-18 Nuts
(2) Flat Washers
(2) Lock Washers
(2) Rubber Caps

clamp range

1.75" - 4" width

ball size

B Size (1")

weight capacity

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


Marine-grade aluminum

packaging type

Poly Bag


0.99 lb