Designed to fit many popular quadcopter, multirotor and drone rotor blades
Designed for use with Dubro's DUB499 Prop Balancer. Accurately balances quadcopter props and allows you to eliminate vibration from unbalanced props. Works with all 5MM threaded props like DJI Phantom and more. Perfectly "true" shaft with clockwise threaded end and a counter-clockwise threaded end.
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