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1PCS WH138-1 adjustable resistance speed regulator with switch potentiometer length 20mm B5K B10K B20K B50K B100K B250K B500K

USD 0.76USD 0.80

1PCS WH138-1 adjustable resistance speed regulator with switch potentiometer length 20mm B5K B10K B20K B50K B100K B250K B500K

Description
Specification
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