50mm Alloy Folding Prop Spinner with 8mm Collet servo-parts Included in the package:

Included in the package:

If your slope tends to have higher winds

Fits all standard size folding props

The switch automatically chooses the battery with the highest voltage

You must ship carbon fiber via USPS Priority Mail or FedEx

50mm Alloy Folding Prop Spinner with 8mm Collet servo-parts Included in the package:This Aloft Alloy folding prop spinners with 8mm collets come in 45 and 50mm diameter and uses a special 8mm collet and wider yoke to handle more power. We offer more spinners sizes, but they are not interchangeable with the units on this page even though they look similar. Yoke blade width: 8mm Prop Pin Diameter: M3 Fits all standard size folding props. 8mm yoke with 3mm pin