SWB Double Lock Servo Half Arm, 1-1/2" Length, fits JR Servos
SWB Double Lock Servo Half Arm, 1-1/2" Length, fits JR Servos
Half arms are measured from the servo screw hole to the outside hole.
These arms clamp around the output shaft for double-lock protection.
Hole spacing for 1-1/2" arms is 1/4", hole is tapped for 4-40