Consists of a hardware for mounting to both brake/clutch reservoirs and rails that are 0.5" to 1.25" in diameter, double socket arm and 2.5" diameter round base adapter that contains a 1/4"-20 male camera thread Mounting hardware for brake/clutch reservoirs include both standard and metric mounting bolts The included 1/4"-20 threaded steel stud, centered, with round base provides support and stability for cameras that rest on top of it The male 1/4"-20 threaded steel stud will connect to any standard female thread found on camcorders and digital cameras 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