This is the Du-Bro 8mm x 1.0 Propeller Balancing Shaft for Multi-Rotor Drones.
FEATURES
- For use with the Du-Bro #499 Prop Balancer, DUBQ0130
- Aluminum construction
- Accurately balances quadcopter props and allows user to eliminate vibration from unbalanced props
- Clockwise threads on one end, and counterclockwise threads on opposite end
Used with permission, copyright ©2014 Dubro Products/Tower Hobbies, Inc.
Copyright ©2014 Brey Corp. t/a Hobby Works.