RAM® Ball Adapter with 2.5" Long 1/4"-20 Threaded Stud
Part#:RAM-273U UPC:793442002328
The RAM-273U consists of a C size 1.5" rubber ball with a hex post and 1/4"-20 x 1.75" stainless steel threaded stud. This component can mount to any surface with a 1/4"-20 hole, and the ball is compatible with any C size socket arms.

hardware included

(1) 1/4"-20 x 1.75" Threaded Stud

thread pitch

1/4"-20 x 1.75"

ball size

C Size (1.5")

weight capacity

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


Marine-grade aluminum
Stainless steel

packaging type

Poly Bag


0.17 lb

Additional Information

This product is not considered a RAM® Add-A-Ball™ and will not replace the bolt of a C size socket arm.