Omron block proximity sensor
Part No. TL-W5MC2
Part No. TL-Q5MC2
Part No. TL-W5MC1-5M
Part No. TL-Q5MC1-5M
Part No. TL-N20ME2
Part No. TL-Q5MC15-2M
Part No. TL-W3MC2-R-5M
Part No. TL-W3MC2
Part No. TL-W20ME2
Part No. TL-W5MC1