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10pcs/lot K021Y 91A Mini Plastic Motor Shaft Gear Sets 9 Tooth 1mm Hole Diameter DIY Helicopter Robot On
Specifications:
- Tooth Profile: Bevel Gear
- Standard or Nonstandard: Standard
- Shape: Cylindrical Gear
- Processing: Die Casting
- Pressure Angle: 0
- Model Number: 91A
- Material: Plastic
- Direction: Left Hand
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