Orion Rc Balance Rod for Dji Inspire Self Tightening Propellers This is a must have for the aerial photography hobbyist or professional to ensure proper balance of your propellers to reduce unwanted vibrations. Perfect for balancing your DJI Inspire self tightening propellers using your favorite prop balancer like the Dubro Tru-Spin Prop Balancer (DB499). Polished Aluminum. Made in the U.S.A. Fast Shipping. Now includes adapter that screws onto the end allowing you to push on the Quick Release Inspire Props.