Check the listing for details. RAM Marine Mount with 6" Swing Arm, Rectangle Base and Horizontal Mounting Base. Color: Black, Condition: New, Made in United States. Listed at 78.99 USD. Features: ---6" long BENT swing arm mounted on a horizontal surface mounting base. ---Device mounting rectangular base plate (6.25" x 2") with different combinations of pre-drilled holes which will match up to many electronic devices and mounts* ---Two pivoting points on the mount. One at the swing arm and base and one at the center of the rectangular plate and the end of the swing arm. Each pivoting point allows a complete 360 degree rotation ---Constructed of powder coated marine grade aluminum ---Holds up to 10 lbs. ---Genuine RAM Mount: Part # RAM-109HU ---Manufacturer's lifetime warranty ---Made in the USA Dimensions: ---Center of knob to center of ball socket: 6" --- Overall length of swing arm assembly: 10.75" --- Overall height: 5.6" --- Height from base to top of knob: 4.