20Pcs Copper Pinion 9 Tooth Thickness 2Mm Mechanical Gear Small Modulus Shaft Gear for Rc Car DIY Science Projects Aircraft

20Pcs Copper Pinion 9 Tooth Thickness 2Mm Mechanical Gear Small Modulus Shaft Gear for Rc Car DIY Science Projects Aircraft
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EMPTY
sku: 1005011941137541
$4.61
Shipping from: China
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