5PCS WH138-1 Adjustable Resistance Speed Regulator With Switch Potentiometer 5K 10K 20K 22K 50K 100K 250K 500K

5PCS WH138-1 Adjustable Resistance Speed Regulator With Switch Potentiometer 5K 10K 20K 22K 50K 100K 250K 500K
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sku: 1005005423963711
$1.88
Shipping from: China
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