RAM® Handlebar Mount for Garmin nuvi 220, 500, 510, 550 & zumo 220 nuvi 600 Series The RAM-138-UN7U consists of a

The RAM-138-UN7U consists of a round flat plate

47" square base for horizontle surfacse and a socket for a C size ball

The RAM-334U consists of a double socket arm

63" square plate with 4x25mm holes at each corner

This kit contains a 100mm x 100mm industry-standard Vesa mounting plate with c-size 1

RAM® Handlebar Mount for Garmin nuvi 220, 500, 510, 550 & zumo 220 nuvi 600 Series The RAM-138-UN7U consists of aThe RAM B 149Z GA32U consists of a zinc coated u bolt base, double socket arm and high strength composite cradle for the Garmin nuvi. Included in this package is hardware that will accommodate rails from 0. 50" to 1. 25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u bolt. The included composite rail adapter can narrow the rail to a minimum width of 0. 5". The mount is designed with a RAM 1" diameter