Propeller balancing shaft for multicopters with M6 thread (counterclockwise and clockwise) - accessories for the Du-Bro 4SZ499 balancer. Great accessory for DJI Phantom!
Pneumatic wheel 102 mm / 4 "with grooved pattern and reduced width especially suitable for retractable chassis" warbirds ". Hole for the axis 5mm (can be drilled to 6mm), weight 138g.