Servo Arm Metal Double Side 4″ JR

MPI 4″ Double HD 4-40 Aluminum Servo Arm, for JR Servos by Maxx Products

Overview:

Heavy duty Anodized Aluminum Servo arms designed for Hitec, Futaba, Airtronics, and JR. In lengths of 1″, 1.25″, 1.5″ for single arm applications, and 3″ and 4″ for double arm applications. All come with 4-40 thread.