This is a timing belt pulley for a servo.
Timing belt profile: MXL 2.032mm (0.08") with 32 teeth
Servo spline: Hitec24T
Spline version: 89° tooth angle / major Ø5.70mm (0,2244") / 24 spline
-the fit due to fabrication tolerances has not been confirmed-
-material frosted ultra detail is recommended for best detail-
-material strong & flexible plastic or metal is recommended for best strength, but may not have fine enough details for the centre spline profile-