SMALLRIG Aluminum Alloy Pair of 15mm Rods(M12-12inch) 1053 are useful and easy to extend various 15mm-compatible accessories to the camera rig with inner M12 thread at ends.The rods adopt highly reliable aluminum alloy, they have good abradability and anti-causticity, but more brighter and stronger than the original industry standard rods. The package, a well-made and natty cardboard box!