20PCS 0.5 Modulus 0.5M Double Gear Reduction Bilayer Gears 36 Teeth + 10 Teeth Aperture 2.05mm 2B Loose Fitting 36T 10T *FD954

20PCS 0.5 Modulus 0.5M Double Gear Reduction Bilayer Gears 36 Teeth + 10 Teeth Aperture 2.05mm 2B Loose Fitting 36T 10T *FD954
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sku: 1005001874683176
$3.99
Shipping from: China
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