Catalog » EC12 Meter - Kits, Parts and Hardware Jib Trim Arm w/ Block SKU/ID: EC12 JibArm $28.00 Servo Mfg. Hitec or Futaba: Short DescriptionAluminum Jib Trim Arm These 1.5" trim arms have a ball bearing block attached and are ready to install on your trim servo We have two different versions to fit the spline gear on the Hitec (Blue) and Futaba (Gold) Servos. Please specify which servo you have when ordering.