10Pcs Double Layer Gears 0.5 Modulus Speed Reduction Gears Plastic Gears Stacked Teeth Wheel Tight/Loose Fit to Shaft

10Pcs Double Layer Gears 0.5 Modulus Speed Reduction Gears Plastic Gears Stacked Teeth Wheel Tight/Loose Fit to Shaft
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sku: 1005005768056794
$1.49
Shipping from: China
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