These couplers allow you to connect a 6.25mm shaft directly to C1 Hitec Standard 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 12.50mm, an outer diameter of 10.50mm, and an inner diameter of 6.25mm.
Includes : Coupler and shaft (20 cm long) .
** servo not included (available separately)