Check the listing for details. RAM Short Arm Mount with Threaded 1/4" - 20 Stud for Camera Camcorder Action Cam. Condition: New, Made in United States. Listed at 33.49 USD. Features: ---Round 2.5" diameter with 1" and universal AMPS hole pattern ---Double socket short arm - overall length: 2.38" ---1" ball connected to a 1/4"-20 camera thread. matches most standard camera and camcorder female threads found on the bottom of the camera ---RAM ball and socket system - easily adjust to your perfect shooting angle ---Constructed of powder coated marine grade aluminum ---Genuine RAM Mount: Part # RAM-B-101-A-237U ---Manufacturer's lifetime warranty ---Made in the USA Compatible Devices (partial list): ---Contour Cameras ---Drift Cameras ---Gobandit Cameras ---GoPro Cameras ---Sony POV Cameras ---XTC Cameras ---Any camera / camcorder with standard female 1/4"-20 thread.