SmallRig 15mm with M12 Thread Black Aluminum Alloy Rods Combination 1659 includes 2pcs M12-20cm rods, 2pcs M12-30cm rods and 2pcs rod connectors. The rods could be applied in different shooting situations as per the needs. M12-20cm rod could attach an M12-30cm rod via a rod connector for the shooting. The combination extends more possibilities and versatilities.