04-06040 RAM-D-271U-2 RAM Mounts Rail Clamp Ball Base for 2" - 2.5" Rails - D sz(LOC-E56)The RAM-D-271U-2, round pipe base, consists of a 2.25" rubber ball connected that will connect to a pipe tubing diameter from 2" to 2.5" in diameter.
hardware included:

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

clamp range:

2" - 2.5" diameter

ball size:

D Size (2.25")

weight capacity:

Standard Use: 6 lbs
Heavy-Duty Use: 5 lbs

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

1.22 lb