This is a lot of 55 cables new and sealed
Customized 12 Fibers OS2 Single Mode LC/SC/FC/ST/LSH Indoor Tight-Buffered Multi-Fiber Breakout Cable.

3M long item number #21983

Indoor multi-fiber breakout cable is a low-cost, pre-assembled cable designed primarily for indoor interconnection between transmission equipment and patch panels or similar fixed routes. The fiber optic cable has industry standard flammability rating jacket and the connector meets EIA/TIA 604-2 for high speed cabling networks.

Connector Type
LC/SC/ST/FC/LSH/LSH
Polish Type
UPC/APC
Fiber Mode
OS2 9/125μm
Wavelength
1310/1550nm
Fiber Count
12 Fibers
Cable Jacket
PVC/LSZH/OFNP
Fiber Grade
G.657.A1
Minimum Bend Radius (mm)
20/10D (Dynamic/Static)
Insertion Loss (dB)
≤0.3
Return Loss (dB)
UPC≥50, APC≥60 (LC/SC/ST/FC)
UPC≥55, APC≥75 (LSH)
Attenuation at 1310nm
0.36dB/km
Attenuation at 1550nm
0.22dB/km
Breakout Diameter
2.0/0.9mm
Trunk Diameter
12.0-13.0mm/6.5-7.1mm
Breakout Type
0.3m/0.5m Equal Breakout (Default)
Polarity
A (Tx) to B (Rx)
Operating Temperature
-40~75°C
Storage Temperature
-45~85°C