SunSmart Aluminum DSLR Camera Rig Cage for DSLR Camera/Video 5D Mark II Entirely made of hard anodized aluminum for durability. With plenty 1/4 inch threads for mounting accessories, e.g., microphone, video light, etc. Built to the dimensions of Canon EOS 5D Mark II and 7D.Coming with the 15mm rod for mounting follow focus, matte box, etc. Compatible with many other DSLRs and system cameras;Ideal for professional or amateur cameraman/filmmaker. Also ideal for filming from a worm's eye view, rod block and rods for mounting a Matte Box or a follow focus system.