Secraft
SECRSA1.0L-V1-F
Secraft ALU servoarm V1 Light 1 inch Futaba (25T) Red (3 threaded holes, M2)
Note: most Hitec servos (HS-xxxx series) have 24T. However, the newer Hitec D-series (Dxxxx) have 25T, as well as HSB-xxxx series ! Make sure to double check on the servo specifications page which type of servo arm is required.