SUCTION CUP LOCK TO GARMIN GPSMAP RAM MOUNT Aerosupply RAM Twist Lock Low Profile Suction Mount for Garmin GPSMAP 76C + More (RAP B 166 2 GA14) (sku 54257) RAM Twist Lock Suction Cup Mount with 17mm Garmin Ball (Drive + More RAM Twist Lock Low Profile Suction Mount for Garmin GPSMAP 73 + More RAM Composite Yoke Clamp Mount for Garmin GPSMAP 76C, 96C + More RAM RAM Composite Single Ball Mount for Garmin GPSMAP 76 & 96 Series RAM. The RAP B 166 2 GA14 consists of a 2. 75" twist lock suction cup base, double socket arm and high strength composite cradle. The suction cup, twist lock base is designed to have a strong hold on glass and non porous plastic surfaces, including RAM adhesive disks. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob, allows you to move the mount to your optimum viewing position. HARDWARE INCLUDED Assembly Hardware SUCTION SIZE 2. 75" Diameter SOCKET TO SOCKET LENGTH 2. 1"