Features an 11mm hole designed to attach to the mirror frame of motorcycles
Included B size 1" RAM rubber ball allows for connection to any B size RAM double socket arm; ball and socket technology allows for near-infinite adjustability
Made of power-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
Backed by a lifetime warranty
RAM Mounts RAM-B-252U 11mm Bolt Head Adapter Ball Base with B Size 1" Ball