FUTABA SRN-31F CONTROLBLOCK for. Kyosho GP 4WD FW03 Tamiya TG10. Futaba SRN-31F Controlblock(FM27MHz) set. This Item included 3Channel Receiver, Ni-CD Battery, servo set. New condition of Battery, receiver & servo. Sending out by EMS svs from Hong Kong. Subtract an amount from each additional item. Get images that make Supersized seem small. Attention Sellers – […]