RAM Ball Adapter with 1/4"-20 Threaded Post

RAM Tough-Ball with 1/4"-20 x .50" Threaded Stud

RAM Tough-Ball with 1/4"-20 x .25" Threaded Stud

FANAUE Phone Holder with 1'' Ball Adapter For RAM Mount B Size Double Socket Arm

RAM Add-A-Ball Accessory Base for the Composite Yoke Clamp Base

RAM Composite Ball Adapter with Round Plate and 1/4"-20 Threaded Stud

RAM Tough-Ball with 1/4"-20 x .50" Threaded Stud for Kayaks

RAM Tough-Ball with M10-1.5 x 25mm Threaded Stud