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Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific
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Amazon.com: Reed Switch Developments Corp, 2230-1301-100, Magnetic Reed Sensor, Plastic, SPDT - Form C, 5W, 175V, 0.25 Amp, Qty: 1 : Industrial & Scientific
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