![GDS Racing 24T M2 Universal Angle Adjustable Alloy Servo Horn/Arm Red RC Crawler](http://www.gds-racing.com/cdn/shop/products/1_06c0113e-61cb-4d17-9f37-e380ad166964_{width}x.jpg?v=1574453837)
For Hi-Tec Servos
24T Spline
CNC 3mm thick arm
Threaded for 2mm hardware
Overall length: 29MM
Center to Outer Hole: 20MM
Note: It's marked with a wrong number, you might get the horn with "23" marker, but just 24T