Check the listing for details. RAM Mount GoPro Screw Down Adjustable Medium Length Camera Mount RAM-B-138-GOP1U. Condition: New. Listed at 33.99 USD. Manufacturer DescriptionThe RAM-B-138-GOP1U consists of a 2.5" diameter round base with the universal AMPS hole pattern, standard length 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.What's Included In The Box?The RAM Mount GoPro Flat Surface Swivel Mount RAM-B-138-GOP1 ships with the following items included:RAM Mount Plastic GoPro Camera Adapter 1 inch B-Ball RAP-B-202U-GOP1RAM Mount Medium Arm B-Socket RAM-B-201URAM Mount Round Plate with 1 inch Ball RAM-B-202U