Package includes: 6PCS Servo Horns+ 24PCS Black Screws (M3)
Material: Aluminum alloy
Diameter: 20mm/0.79inch
Compatible with Hitec, Parallax, Futaba, TP Power etc. brand MG995 MG996 TR213 standard servos etc. also can fit for other brands standard servos (size 40x20x36mm).
Each disc has 4 fastening screws for fixing, multiple angle fixing, more robust than other servos.