The DJI Ronin Spare Part No 40 Arm Extender is a brand new accessory designed for the DJI Ronin gimbal stabilizer. It is a model-specific product made by DJI and is intended to extend the arm of the Ronin gimbal stabilizer. This spare part is perfect for those who need to replace a damaged or lost arm extender. An extension on the Ronin that provides 50mm of extra leeway (both ends) for larger camera setups.