DuBro Tru-Spin Prop Propeller Balancer for RC Plane Heli Drone FPV

On-line Videos: Video 1 Consult Your User's Manual For Exact Parts Listing Note-Cant Not Work With Self-Tightening Propeller  Will have to Get Special Rod  Before It Can Work  Built for the modeler who expects the very best  Manufactured out of hardened material  Balances air props of all sizes and weights, boat props, spinners, car wheels, heli rotor heads, jet fans, fly wheels, etc.  Securely centers and locks props on to the balancing shaft for utmost accuracy Each balancer comes complete with easy-to-follow assembly and prop balancing instructions  Specially designed locking cone securely centers and locks props on to the balancing shaft for utmost accuracy. Each cone is carefully inspected on a calibrator to make sure it is running true. The balancing shaft is manufactured out of hardened material and then is centerless grounded giving precision balance every time. The prop balancer's aluminum wheels turn virtually friction-free for precision accuracy.  The DU-BRO Tru-Spin