The RAM-B-347U-BT base consists of a 1" diameter rubber ball connected at right angles to a 2" x 1.7" square base. The base contains four pre-drilled 7mm holes at each corner.
hole pattern
4-Hole AMPS: 1.181" x 1.496"
ball size
B Size (1")
weight capacity
Standard Use: 2 lbs
Heavy-Duty Use: 1 lb
materials
Marine-grade aluminum
