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10pcs 7Gear 0.75mm Plastic Accessories Of DIY Model Toy Motor Shaft Gear
Features: Teeth quantity: 7 Modulus: 0.3 Bore diameter: 0.75mm Diameter: 2.5mm Best used for accessories of Model toy accessories of DIY toy, such as accessories of The avatar F103 F106 four-channel remote control helicopter Package included: 10x Gear