High Speed DC 24V 200RPM Worm Geared Motor Gearbox Reducer with Self-locking,Gearbox Reducer with Self-locking High Speed DC 24V 200RPM Worm Geared Motor, which can change shaft rotation direction while the wiring positive and, 3M HTD Arc Tooth 25 Teeth Pitch 3mm Bore 6mm 8mm 12mm Timing Pulleys 1pcs, 3D Printer Part 3M 18 Teeth Timing Belt Pulley Bore 5mm 6mm 6,35mm 8mm,This type is miniature Worm Gear DC Motor, more choice, more savings Hot pin break out Style Your favorite merchandise here FREE RETURNS & FREE 7-DAY SHIPPING WORLDWIDE. Motor Gearbox Reducer with Self-locking High Speed DC 24V 200RPM Worm Geared.