The base plate round matches the industry standard hole pattern and will connect to a large variety of RAM Mount and third party cradles or just even surfaces.
This mount has seven pre-drilled holes.
Material: Powder Coated Marine Grade Aluminum
Ball diameter: B-Ball, 2,54 cm (1")
Diameter: 63,5 mm (2,5")
Hole spacing 23 mm from the middle (0,906")
Weight ca. 68 g
Part number RAM-B-202U