Du-bro 3396 6mm Drone/Quadcopter Prop Balancer

The DU-BRO Drone/Quadcopter prop balancer s aluminum wheels turn virtually friction free for precision accuracy. The DU-BRO Tru-Spin Prop Balancer will balance drone props of all sizes and weights. Each balancer comes complete with easy to follow assembly and prop balancing instructions. A truly precision instrument built for the modeler who expects the very best.