Our 6061 Billet aluminum Black V-Lock Phone Mount on a 4" knuckle with a Bar Mount that fits stock Harley bar sizes from 1/2" to 1 1/4" OD. Includes 3 sleeves for smaller bars and would be a direct "flush mount" for 1 1/4" bars. Security locking nut preinstalled on the knuckle. Includes 2 tethers for added security when riding on rough roads. **Lifetime Warranty**