1000:1 HPCB 12V 1000:1 HPCB 12V DUAL-SHAFT 1000:1 HPCB 6V DUAL-SHAFT 1000:1 LP 6V DUAL-SHAFT 1000:1 MICRO METAL GEARMOTOR 1000:1 MICRO METAL GEARMOTOR HP 1000:1 MICRO METAL GEARMOTOR HPCB 1000:1 MICRO METAL GEARMOTOR MP 6V 10000 10-000