Servo shaft coupler Futaba standard to 1/4"

These couplers allow you to connect a 1/4 shaft directly to your 3F Futaba servo spline. The set screw included with each shaft coupler works well with straight or d-shafts. These servo shaft couplers have a length of 0.5, an outer diameter of 0.42, and an inner diameter of 0.25.

Dimensions:
* Length: 12.7mm (0.5")
* Outer Diameter: 10.67mm (0.42")
* Inner Diameter: 6.35mm (0.25")
* Servo shaft: Futaba 3F