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10pcs Gear 2/3mm Plastic Accessories For DIY Model Toy Motor Shaft Gear
10pcs Gear 2/3mm Plastic Accessories For DIY Model Toy Motor Shaft Gear Features: Teeth quantity: 20/30/36/44(bore diameter: 3mm) Optional Modulus: 0.5 Height: 4mm Bore diameter: 2mm(20T/30T/36T) / 3mm(44T) Diameter=(Teeth quantity+2)x0.5(mm) Best used for accessories of Model toy, Motor shaft gear Package included: 10 x Gear