RAM® Drill-Down Double Ball Mount with Rectangle AMPS Plate - Medium E Size 3.38" (Holds 15 lbs) Constructed to hold an XM

Constructed to hold an XM or GPS antenna

The RAM-B-138-TR1 consists of a 2

The connected Type-A male pigtail connector features an in-line switch that allows you to turn off the wireless charging module when not in use

round adapter base and sealed enclosed large size AQUA BOX®

The RAM-B-111-238U consists of a double socket arm

RAM® Drill-Down Double Ball Mount with Rectangle AMPS Plate - Medium E Size 3.38" (Holds 15 lbs) Constructed to hold an XMThe RAM B 139U consists of a 2. 5" diameter round base with the universal AMPS hole pattern, double socket arm and 2" x 1. 7" square base with the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.