This is the complete replacement set of gears for the Futaba S-31S, S-131S,
S-9201, S-9301, S-9304 & S-9202 servos.

Includes

one of each- white nylon 1st, 2nd & 3rd gears
one- white nylon final gear (this is the one with the splined shaft
that the servo horn slips over)
** This does not contain the "Drive Plate".