10pcs GT2 Idler Pulley 20 Teeth 16 T Bore 3mm 5mm with bearings 3D Printer Parts for 2GT Timing Belt Width 6mm 10mm H shape

10pcs GT2 Idler Pulley 20 Teeth 16 T Bore 3mm 5mm with bearings 3D Printer Parts for 2GT Timing Belt Width 6mm 10mm H shape

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