Feichao 20 * 4 * 1.9 5Pcs Small Plastic Pulley Wheel Fitting Science Technology Production Materials DIY Model Accessory

Feichao

Regular price $3.32

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20 * 4 * 1.9 5Pcs Small Plastic Pulley Wheel Fitting Science Technology Production Materials DIY Model Accessories

You can use as a wheel or wheel drive , Model of the transmission mechanism

Features:

Diameter :20mm

Hole Diameter : 1.9mm(for 2mm shaft)

Thinckness : 4mm

Package include : 5pcs pulley

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