Product · United States

5PCS WH138 adjustable resistance speed regulator with switch potentiometer WH138-1 B5K B10K B20K B50K B100K B250K B500K 10K 100K

Lowest price: $5.37 · 1 store · price range $7.88 … $7.88 · 32% off the list price

Price history: 3 daily prices tracked since 2026-10-18; lowest $5.35, highest $5.37.

Price last confirmed by the store feed on 2026-10-30.

5PCS WH138 adjustable resistance speed regulator with switch potentiometer WH138-1 B5K B10K B20K B50K B100K B250K B500K 10K 100K

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Store 1 (US)$5.37In stockGo to store

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