Secraft
SECRSA1.0-V2-F
Secraft ALU servoarm 1" Futaba (25T) Red V2 (M3 metric)
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.