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