Unused, set of 4, E2E-X3D1-N Standard Proximity Sensor, Omron Although unused, these have been stored at home, so please consider this before purchasing. ^ ^ If you're looking for a proximity sensor, start with the E2E series. [Features] ・Standard for detecting the presence or absence of magnetic metals ・Wide variety Optimal models can be selected according to your conditions ・Different frequency types are available to prevent mutual interference ・Achieves excellent environmental resistance The standard cord material is oil-resistant PVC The detection surface uses a material resistant to cutting oil ・Standard use of a cord protector for disconnection countermeasures