General Mounts

The RAM-B-140U-A consists of a short double socket arm, a 2″ X 1.7″ ball plate with the 4 hole AMPS

The RAM-139U-AU consists of a medium length B-size double socket arm, one 2.5″ round plate and one 2″ X 1.7″

The RAM-B-139U consists of a 2.5″ diameter round base with the universal AMPS hole pattern, double socket arm and 2″

The RAM-B-132MU consists of a medium length, B size arm with a magnetic base and a gyroscopic self leveling cup