This is a E-flite 2.50" Aluminum Spinner, with a 5mm and 6mm Collets.
Features:
- Lightweight aluminum construction
- Press fit with a choice of two included collets (5mm & 6mm)
- Optimal for the Power 46, 60 brushless outrunner motors
- Fits the popular APC electric props
- Realistic scale appearance
- Backplate with retaining socket head cap screw for cone attachment