Kamerar QB15 Quick Release Platform for QV1 LCD View Finder w/ 2x 8" Rail Rods QB15 Quick Release Platform includes: (1) Uni/ Baseplate (2) 8" 15 mm Rail Rods (1) Rods Holder (1) Hex Key Allen Wrench This combination or products allow you to quickly attach a set of 8" 15mm rails to the QV-1 baseplate mounted under your camera. The QV-1 Baseplate can also accept Manfrotto 501PL plates if you choose not to use our QV-1 LCD View finder plate. With a rail system you can easily attach our FF-3 Follow Focus or other industry standard 15mm accessory. A solid mini-rig solution for run-n-gun camera setups. Video Review by Cheesycam.com: http://www.youtube.com/watch?v=MsNTQv8kfYc#at=333