These servo shaft attachments are great when connected to your 3F Futaba servo spline and used in conjunction with a ServoBlock Kit. These aluminum servo shaft attachments have a length of 1 inch, an outer diameter of 0.5 inch, and an inner diameter of 0.3 inch.
Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building complex electromechanical prototypes or finished projects a reality.