The RAM-247U-25 consists of a 2.5" clamp base with 1.5" ball.
HARDWARE INCLUDED
(2) 5/16"-18 x 3" Machine Screws
(2) 5/16"-18 Nylock Nuts
CLAMP RANGE
2.5" max width
BALL SIZE
C Size (1.5")
WEIGHT CAPACITY
Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs
MATERIALS
Marine-grade aluminum
PACKAGING TYPE
Poly Bag
WEIGHT
0.68 lb