This is a Flash Point R/C aluminum servo horn. It’s offered with a 25-tooth spline for Futaba and Hitec servos. This servo horn is lightweight and extremely durable. This horn features a 3mm thick arm for durability, has 18mm hole spacing and uses 3mm hardware to suit nearly every 1/8th vehicle on the market.
18mm hole spacing (measured from output shaft screw hole, to linkage rod holes, center to center).
3mm thick arm.
Linkage holes threaded for 3mm hardware.