2GT K-type 16 20-tooth Synchronous Wheel BF 30 40 60T Stepper Motor Pulley 2M 16 20T With Bearing idler Belt width 6 10 15 MM 3D

2GT K-type 16 20-tooth Synchronous Wheel BF 30 40 60T Stepper Motor Pulley 2M 16 20T With Bearing idler Belt width 6 10 15 MM 3D

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