Aluminum scraping electric spinner. The motor shaft installation can be attached to the brushless motor as it is with the collet type.
In addition, when the propeller is mounted with the spinner back plate and the propeller shaft in a collet type, it is securely fixed to the motor shaft.

Specifications

Diameter: 38 mm
Length (height): 40 mm
Motor shaft diameter: 3.18 mm
Weight: 18 g