SmallRig 15mm Carbon Fiber Rod (4'', pair) 1871 is a pair of 4 inch long non-threaded rods featuring a carbon fiber pattern on the outer surface, which is highly rigid, lightweight and corrosion resistant. This pair of rods are 100mm long machined from hollow carbon fiber tubes. It is precision crafted for 15mm support systems, you can attach a wide variety of available accessories, such as follow focus, matte boxes and much more. If you need much longer carbon fiber rods, please click 15mm carbon fiber rod 8 inches 870, 15mm carbon fiber rod 12 inches 851.