M4 Threaded Diffuse Reflective, R1, 2M, Recommended Replacement for FD-WT8
反射 光学传感器 10.630"（270mm） -
得捷:
SENSOR REFLECTIVE 270MM
Allied Electronics:
M4 Threaded Diffuse Reflective, R1, 2M, Recommended Replacement for FD-WT8
Electro Sonic:
Photoelectric Sensor Reflective