uxcell 4mm Inductive Proximity Sensor Switch Detector NPN NO DC 5-30V 200mA 3-Wire SN04-N for 3D Printer Probe Bed Leveling,MCU Board: Amazon.com: Industrial & Scientific
Amazon Best Sellers: Best Inductive Proximity Sensors
uxcell 4mm Inductive Proximity Sensor Switch Detector NPN NO DC 6-36V 200mA 3-Wire SN04-N Rectangular Type for 3D Printer Probe Bed Leveling,MCU Board: Amazon.com: Industrial & Scientific