30/6-B-2Z-TVH-HLC 30/8-B-2RS-TVH 30/8-B-2Z-TVH 30/PR1 30/PR2 30/PR3 30:1 HPCB 12V 30:1 HPCB 12V DUAL-SHAFT 30:1 HPCB 6V DUAL-SHAFT 30:1 METAL GEARMOTOR 37DX52L MM 12V HELI