RAM Mount Handlebar Rail Mount w/Long Arm Diamond [RAM-B-149ZU-C] Sailing A tightening screw on the

A tightening screw on the side of the arm enables the sockets to clamp firmly on the ball and the button

Dimensions :  2-1/4" x 5/8"

but don't have room for one

Length Overall: 6-1/2"

RAM Mount Handlebar Rail Mount w/Long Arm Diamond [RAM-B-149ZU-C] Sailing A tightening screw on theHandlebar Rail Mount w Long Arm & Diamond RAM Handlebar Rail Mount with LONG Length Double Socket Arm & Zinc Coated U Bolt Base for Rails from 0. 5" to 1. 25" in Diameter The RAM B 149ZU C consists of a zinc coated u bolt base, LONG Length double socket arm and diamond adapter base. The diamond adapter base has a hole pattern that matches the industry standard AMPS hole pattern and will connect to a large variety of RAM Mount and third party cradles.