RAM 1.5" Track Ball Marine Mount with Universal 6.25" x 2" Rectangular Plate

Features: RAM Track Ball with 1.5" rubber ball molded to a high strength composite base with rubber friction washer and a stainless steel T-bolt T-bolt is designed for easy installation, adjustment and removal from virtually any track system Simply insert or slide the Track Ball into your track and twist the ball clockwise to tighten in place - Twist counterclockwise to loosen or adjust the ball T-Bolt Dimensions: .48" x .95" - Fits a variety of tracks Standard size (medium) double socket arm - Overall Length: 5.69", Socket-To-Socket Length: 4.66" 6.25" x 2" rectangle base with 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* Constructed of powder coated marine grade aluminum and high strength composite Overall height if fully straight: 7.5" Holds up to 4 lbs. Made in the USA Device Compatibility:(Partial List)**Garmin ECHOMAP Plus 72cv ECHOMAP Plus 73cv ECHOMAP Plus 74