The RAM-111-B, powder coated marine grade aluminium mount, consists of a short double socket arm, one 2.5" diameter round base with 1.5" rubber ball and flat 6.25" x 2" rectangular plate. The plate contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. Rubber ball and socket technology dampens shock and vibration, as well as allowing for almost infinite adjustment and perfect viewing angles. For most applications, mount will support up to 5kgs. Material: Powder Coated Marine Grade Aluminium Ball Size: 1.5" Rubber Ball Size Components RAM-202 RAM-201-B RAM-111B