2GT timing pulley kit 5:1, 20T and 100T synchronous wheels, inner hole 3-18mm 3D printer accessory

2GT timing pulley kit 5:1, 20T and 100T synchronous wheels, inner hole 3-18mm 3D printer accessory
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sku: 1005006720411119
$16.40+25%
$20.52
Shipping from: China
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