RAM Drill-Down Mount with Garmin Spine Clip Holder (RAM-B-138-GA76U) (sku 54878)Kit includes RAM Spine Clip Holder for Garmin, B size diamond ball base, medium double socket arm and RAM Drill Down base Holder secures any Garmin handheld device with an integrated spine connection Drill down round base contains universal AMPS hole pattern The RAM Spine Clip holder is a mount adapter that easily clips into the integrated spine connection on a wide variety of Garmin devices. This mount includes a 2. 5" diameter round base with the