This is an PNP normally open 3-wire switch with LED.
Has a M8 3-wire Picofast Quick-Disconnect.
These sensors are New - with 90 day Warranty.
Actual picture of sensors.
For complete specifications see:
www.meto-fer.com/SECT8.PDF
For additional accessories see:
www.kkdepot.com/category.asp?cat=37
Price $135.00 each (New sensor only - 46 available - picture #4)
Price $95.00 each (Used and tested sensor only - 23 available)
The following "Stop Screw Assemblies" are available for this sensor:
Part Number         Dimensions             Price ea.   Available
 AS 12/80       M12x1 by 80mm long     $33.00    SOLD OUT
 AS 10/50       M10x1 by 50mm long     $23.00         1
 AS 08/40       M8x1  by 40mm long      $23.00    SOLD OUT
 AS 08/15       M8x1  by 15mm long      $20.00        71

For mating M8 3-wire cables see:
http://www.kkdepot.com/Default.asp?keywords=cable+cord+m8&action=allwordsearch