RAM Mount 1.5" Ball w/1/4"-20 Male Threaded Post f/Cameras [RAM-237U] Brand_Ronstan 25" diameter rubber ball and

25" diameter rubber ball and socket system with adjustment points at both socket ends of the arm

Allows for full range of motion for the camera

Consists of the universal spring loaded X-Grip II holder

a short arm and a 6

Also comes with 20 feet of bracing line

RAM Mount 1.5" Ball w/1/4"-20 Male Threaded Post f/Cameras [RAM-237U] Brand_Ronstan 25" diameter rubber ball andRAM 1. 5" Ball with 1 4" 20 Male Threaded Post for Cameras The RAM 237U, universal camera and camcorder base, consists of a 1. 5" diameter rubber ball, connected to a 1 4" 20 camera thread. The male thread matches most standard camera and camcorder female threads found on the bottom of the camera. Compatible Cameras: Contour GPS Contour HD GoPro HD Helmet HERO GoPro HD Motorsports HERO GoPro HD Surf HERO GoPro Helmet HERO Wide GoPro Motorsports HERO