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30PCS Plastic Single Layer Gear 38T Teeth Modulus 0.5M Wheels Racks Pulleys Center Hole 1.95mm for DIY Motor Shaft Tranmission

USD 2.59

30PCS Plastic Single Layer Gear 38T Teeth Modulus 0.5M Wheels Racks Pulleys Center Hole 1.95mm for DIY Motor Shaft Tranmission

Description
Specification
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