$14.49
RAM® Ball Adapter with AMPS Plate for Garmin GPSMAP 620 & 640
Part#:RAM-B-347-G4U UPC:793442917035
The RAM-B-347-G4 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.

hardware included

(3) #8-32 x 5/8" Machine Screws
(3) #8-32 Nylock Nuts

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

packaging type

Poly Bag

Weight

0.16 lb

Components

RAM® Ball Adapter with AMPS Plate - B Size RAM-B-347U $10.49