RAM Composite Ball Adapter with AMPS Plate - 013-00227-07 - Garmin
The RAP-B-347U base consists of a 1" diameter rubber ball connected at right angles to a 2" x 1.7" square base.
The base has four pre-drilled holes at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern.
Specifications:
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: High strength composite
packaging type: Poly Bag
Weight: 0.08 lb