A servo arm for the pull-pull in large aircraft. This new dual arm design allows for straight in-line movement. This super strong full arm includes 4-40 swivel ball links and hardware. There are four mounting positions and they are made from glass filled nylon for more strength. Dimension from center to the end mounting hole is: 1.5645”” (39.75mm) #3344 – For Futaba® #3345 – For JR® #3346 – For Hitec/Tower #3347 – For Airtronics 1/pkg.