RAM Motorcycle Base with 9mm Hole and 1" Ball
The RAM-B-272U consists of a 1" diameter ball and base with 9mm hole. This part is often used on motorcycles, attaching to the mirror frame, the main brand of bike for the RAM-B-272U is BMW.
Powder Coated Marine Grade Aluminum
1" Rubber Ball "B" Size
The "U" in the part number reflects product packaged in poly bag.