Aluminium Servo Arm 25 T double (light) BlackCNC machined aluminum servo arm for maximum precision and durability. Dual mounting with a mounting screw and two lateral socket head cap screws ensures a slop free connection and more direct control. The rigid aluminum construction executes commands more precisely than standard plastic arms and reduces stress on the gearbox. Specifications: Overall length: 48 mm Arm thickness: 3 mm Overall height: 8 mm Press fit depth: 3 mm Mounting holes: M3