The RAM-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.


  • Material: Powder Coated Marine Grade Aluminium
  • Ball Size: 1" Rubber Ball "B" Size
  • Weight: 0.12 lbs.

Note: The "U" in the part number reflects product packaged in poly bag.

Compatible With:

Garmin zumo 390LM 
Garmin zumo 400 
Garmin zumo 450 
Garmin zumo 500 
Garmin zumo 550 
Garmin zumo 660 
TomTom Rider 2 
TomTom Urban Rider

RRP 15.95
Barcode # 793442907623
Brand RAM Mounts