Inductive proximity sensors made by Balluff. These are new surplus items, however they do not come in an original bag. They do however come with the mounting nuts.
Part number:
BES M12MG1-PSC60B-S04G
BES02WZ
Estimated Retail Price: $129.00
Dimension: Ø 12 x 60 mm
Style: M12x1
Installation: quasi-flush
Range: 6 mm
Switching output: PNP normally open (NO)
Switching frequency: 1000 Hz
Housing material: Brass
Surface protection: Nickel-free coated
Material sensing surface: PBT
Connection: Connector, M12x1-Male, 3-pole
Operating voltage Ub: 10...30 VDC
Ambient temperature: -25...85 °C
IP rating: IP68