82-cent Metal Servo Horns
5 for $4.09, free ship. 25T spline for Futaba/Parallax servos (not HiTec 24T): http://www.ebay.com/itm/New-Disc-Type-Metal-Horns-for-25T-MG945-MG995-RC-Servos-Robot-Arm-Round-5-Pcs-/181580932492
Just received mine. Nice lightweight aluminum, 4 tapped holes, screws and nuts (?) included. Just buy some and throw them in your servo box for some time later when you need one.
Prices vary widely on Ebay. Here's one (1) for $3.41 shipped, but you do get your choice of solver or blue.
http://www.ebay.com/itm/Metal-Servo-Arm-25T-Robot-Disc-Matal-Horns-for-MG995-MG996R-Servos-Robot-/281081358064
Just received mine. Nice lightweight aluminum, 4 tapped holes, screws and nuts (?) included. Just buy some and throw them in your servo box for some time later when you need one.
Prices vary widely on Ebay. Here's one (1) for $3.41 shipped, but you do get your choice of solver or blue.
http://www.ebay.com/itm/Metal-Servo-Arm-25T-Robot-Disc-Matal-Horns-for-MG995-MG996R-Servos-Robot-/281081358064