The RAM Torque bar mount has a 1″rubber ball and accommodates rails 3/8″to 5/8″in diameter. Sizing inserts are included to provide a snug fit and protection of the rail. The mount utilizes nylon-insert locknuts to prevent loosening in high vibration environments.

The RAM-B-408-37-62U allows for mounting to scooter mirror rails as well as vehicle headrests and other round rails within the stated dimensions.