The clamp base will accommodate rails in diameter from 0.625" to 1.25". The 1" rubber ball is at a right angle to the plane of the mount so when connected to a rail, the ball sits parallel to the rail.
This RAM high strength composite cradle is designed to hold the following devices:
Garmin Montana 600
Garmin Montana 650
Garmin Montana 650t
Features:
1. Open access to all electronic ports and camera
2. Patent pending roller design for super smooth placement and removal of the GPS
Material: High strength composite & powder coated marine grade aluminum