The net weight of this servo is 3.6g. It can also be rebuilt into a lighter one. With the servo-case bottom removed or using the JST plug, the weight can be reduced to 3.3 g. Use the enameled wire to connect, the weight can be reduced by 0.8g. Totally, the weight can be reduced by 1.1g, and finally, you only get a servo only at 2.5g.
Applications: Micro planes, Hand launch gliders, Small electrics helicopters ect.