RAM® Drill-Down Double Ball Mount with Universal Action Camera Adapter RAM-301-BU 5" diameter C-size ball with

5" diameter C-size ball with handlebar clamp base

This kit comes with a key lock knob that allows the user to lock the mount in one position

5" base that contains the universal AMPS hole pattern to attach the holder

Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at the both ends of the socket arm

This kit comes with a 5x5 inch drill down base with ratchet adapter for maximum movability

RAM® Drill-Down Double Ball Mount with Universal Action Camera Adapter RAM-301-BU 5" diameter C-size ball withThe RAM B 138 A GOP1U consists of a 2. 5" diameter round base with the universal AMPS hole pattern, SHORT size double socket arm and 1" diameter ball with custom GoPro Hero adapter. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The RAM B 138 A GOP1U can be used as a drill down