The Opteka CXS-300 is a dual-grip video shoulder support rig designed to stabilize and minimize rotation from your video shoots. The CXS-300 may be further customized with accessories such as LCD monitors, video lights or microphones and features our universal 15mm rail system. Features ~ Provides stability to video shoots ~ Heavy-duty aluminum construction ~ Universal 15mm rail system ~ Customizable with optional accessories and mounts ~ 1 Year Opteka Warranty Specifications Compatible Rails: 15mm Compatible Accessories (May require mount): Counterweight, LCD Monitor, Video Light, LCD Viewfinder, Microphone, FollowFocus Dimensions (LxHxD): 19 22 x 7.6 x 14.9" (55.8 x 19.3 x 37.8 cm) Weight: 3.81lbs (1730g)