IKSACE E3Z-R61 Photoelectric Beam Sensor Indoor Wall Mounted NPN (NO Or NC Switchable) Retroreflective photoelectric Sensor Proximity Switch with 2M Cable,Reflector Panel, Pack of 2 2 pieces Size:2 pieces Made of 304 stainless steel

Made of 304 stainless steel (no coating outside) 18-8 which is superior to regular steel and any zinc plated fasteners

54 inch ( 9 cm ) 1

EXCELLENT ADHESION & HIGH INSULATIONUnlike other heat tape for sublimation with odour and cracking

Premium C3 micro-grain solid tungsten carbide for an industrial quality tool with ZRN coating for increased durability

the anchor must be torqued to between 25 - 30 ft

IKSACE E3Z-R61 Photoelectric Beam Sensor Indoor Wall Mounted NPN (NO Or NC Switchable) Retroreflective photoelectric Sensor Proximity Switch with 2M Cable,Reflector Panel, Pack of 2 2 pieces Size:2 pieces Made of 304 stainless steelIKSACE E3Z R61 Photoelectric Beam Sensor Indoor Wall Mounted NPN (NO Or NC Switchable) Retroreflective photoelectric Sensor Proximity Switch with 2M Cable,Reflector Panel, Pack of 2 Explanation on the definition of NO, NC, NPN, PNP: NO(Normally open): the circuit is open when there is no sensing object, and the circuit is closed after sensing the objectNC(Normally closed): the circuit is closed when there is no sensing object, and the circuit is open