Specification:
Material: aluminum, silver surface oxidation treatment.
The mounting hole spacing: 14mm
Servo diameter of the disc: 20mm
to lock 5.5mm opening
The number of teeth 25mm flower
4 * M3 threaded fixing holes
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Fits Hitec, parallax, Futaba, Fraser and other brands (size 40 × 20 × 36mm or more) standard servos. Helm small disc fit more standard servo MG995 MG996 TR213