The MARSRE shoulder rig with matte box is specifically designed for the DSLR or video camera owner. This filmmaking system is compatible with any standard 15MM rail system. The aim of this kit is to provide the operator maximum flexibility while shooting both outdoors and indoors. It is lightweight and very portable for mobile film-making. It can be mounted on standard 1/4" thread tripod. The Shoulder Mount with pad makes it possible to deliver excellent results without any jerk or motion problems. Make your shooting or video production steady, precise and smooth. Top and flank barn doors of the matte box are easily adjustable and removable. It can be fit different lens sizes from 43mm up to 82mm. This dslr rig set is compatible with all Video Cameras and DV Camcorders. Specification: DSLR Shoulder Rig: Material: Aluminum Alloy, Nylon and ABS Rail Distance: 60 mm Rail Diameter: 15 mm Rail length: 7.87 inch/20cm Screws thread: 1/4" Length of Rod with shoulder pad: 11.81 inch/30cm Weight: 3.5 pounds/1.6kg Matte Box: Fits lens sizes: 43mm-82mm / 1.7-3.2 in Material: Plastic, Partially Aluminum Rail Distance: 60 mm Rail Diameter: 15 mm Weight: 0.66 pounds/0.3kg Package Include: 1x DSLR shoulder mount 1x Matte box 1x Shoulder pad 1x User manual