Lightweight: SMALLRIG 15mm Carbon Fiber Rod (6", pair) 1872 is a pair of rigid, durable while lightweight rods that won't weigh down your camera support rig Highly Rigid and Durable: This pair of rods are 150mm long machined from hollow carbon fiber tubes.Highly Rigid,durable and corrosion resistant Attach 15mm Support System: SmallRig 15mm rod is precision crafted for 15mm support systems, you can attach a wide variety of available accessories, such as follow focus, matteboxes and much more Related Product: If you have other demands, please have a look at 15mm carbon fiber rod 8 inch 870 and 15mm carbon fiber rod 12 inch 851