1、Part Number: According to the original factory specifications, replacing reference OE number is RAM‑B‑111U. 2、Applicable Model: Fish finder mount bracket, replacement for Garmin ECHOMAP Plus 72cv 73cv 74cv 75cv 77cv. 3、Infinite Adjustability: Ball and socket technology allows for near‑infinite adjustability while providing the holding power to support heavy devices in the harshest environments. 4、Simple Operation: Simply attach the ball adapter to your device and connect with the correct size socket arm to place on to the mounting base in the location of your choosing. 5、Versatility: You can confidently place and adjust your expensive fish finder and other equipment to any position, while maintaining the structure of the bracket in harsh waters. Item Type: Fish Finder Mount Material: Nylon + Silicone Color: BlackOE: RAM-B-111U Fitment: Replacement for Garmin ECHOMAP Plus 72cv 73cv, 74cv, 75cv 77cv; Replacement for Garmin GPSMAP 722, 722xs, 742, 742xs; Replacement for Garmin Striker Plus 5cv, 7cv, 7sv. Replacement for Lowrance HDS Carbon 7, HDS LIVE 7, Fishfinders, GPS Chartplotters. Replacement for Humminbird  Raymarine Fishfinders, GPS Chartplotters 1 x Base 1 x Bracket 1 x Plate