The column mounting RAM-B-202-GA76U Garmin with 1 inch RAM mounts diamond plate ensures that each Garmin portable device has a built-in RAM-compatible column connection. Its as easy as sliding, adjusting and secure. This mount easily attaches to the integrated spine in a variety of Garmin GPS and satellite devices. Easily connect the Garmin laptop to any RAM-B size mounting base with the included adapter and the included diamond base material. This allows you to use popular solutions such as RAM Twist-Lock suction cup, RAM Tough-Claw, RAM Tough-Track and much more. For use in almost all applications, the included adapter and diamond based size B hardware allow you to connect your Garmin laptop to any RAM size B mounting base to see if your Garmin handheld device is compatible with this spine mount, please find the following list: Alfa 100 Focus G3, G5 Astro 320, 430, 900 Dakota 10, 2. 0 E Trex 10, 20, 30 eTrex 20x, 30x eTrex Touch 25, Touch 35 GPSMAP 6 2, 62s, 62sc, 62st, 62stc GPSMAP 64, 64s, 64sc GPSMAP 66s, 66st inReach Explorer + inReach Mini inReach SE Oregon 200000 Oregon 3. 00 Oregon 400c, 400i, 400t Oregon 450 0t Oregon 50, 50T Oregon 600, 600t Oregon 650, 650t Oregon 700 Oregon 750, 750t Rino 610, 650, 650t, 655t RR ino 700, 750, 755t Sport per budget: Material: high-strength composite for the column mounting adapter and marine grade aluminum With dust cover for dust adapter for 1" ball adapter included. Note: Part number reflects the product packed in a polybag.