RAM Track Ball Mount with 1.5" x 3" Plate for Humminbird Helix 5 GPS / Sonar

Features: Track adapter consists of a 1" rubber ball molded to a high strength composite base, a 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 double socket arm: Overall Length: 3.69": Socket-To-Socket Length: 3" 1.5" x 3" plate with a four hole pattern and 1" rubber ball Plate thickness: 1/4" - center to center hole pattern is 1.5 x 2.5" (hole diameter: 1/4") RAM socket technology allows for multiple adjustment angles including rotation for portrait and landscape viewing Constructed of marine grade aluminum and high strength composite Holds up to 2 lbs. Made in the USA         Compatible Devices: Humminbird HELIX 5 DI H