RAM Twist Lock Suction Cup Mount for Garmin Echo™ 100, 150 & 300c (RAM-B-166-G4) Product Line_Tab-Lock The RAM-B-166-UN7U comes with a

The RAM-B-166-UN7U comes with a 3

The RAP-S-KNOB5U consists of a 5/16"-18 female threaded security knob and key knob

The wrench matches the shape of the knob found on the side of "D" arms

38" Rubber Ball Size

RAM Twist Lock Suction Cup Mount for Garmin Echo™ 100, 150 & 300c (RAM-B-166-G4) Product Line_Tab-Lock The RAM-B-166-UN7U comes with aThe RAM B 166 G4 consists of a 3. 3" suction cup twist lock base, double socket arm, 2" x 1. 7" plate and custom hardware for the Garmin GPSMAP. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. Simply attach the suction cup base to the windshield of your vehicle for an easy and