The RAM-108BU consists of a 1.5" diameter ball connected to a base with single strap. The strap will accommodate rails from 1" to 2.1" in diameter.
hardware included:
(1) #20 Worm Drive Strap Clamp
(1) #28 Worm Drive Strap Clamp
(1) 6" Rubber Strip
clamp range:
1" - 2.1" diameter
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:
0.41 lb