RAM Finger Grip - Universal Phone / Radio Cradle with Yoke Mount - Composite series-b Round base features the industry-standard

Round base features the industry-standard AMPS hole pattern

What's the round plate for

Military-grade drop protection built into the sleeve

18") tall and does not come threaded

RAM Finger Grip - Universal Phone / Radio Cradle with Yoke Mount - Composite series-b Round base features the industry-standardRAP B 121 UN4U RAM Finger Grip Universal Mount with Composite Yoke G Clamp Base The RAP B 121 UN4U pairs the RAM Finger Grip universal phone and radio cradle with an all composite yoke clamp base and composite B size double socket arm, clamping to glareshields, control yokes, tubing, and rails from 15. 9mm to 31. 8mm (0. 625" to 1. 25") in diameter. The lighter composite build makes it ideal for aircraft, mobility devices, boats, and lighting stands,