1.1+/-0.1m long, 900um OD loose blue color hytrel tubing jacketed, 8/125um 1550nm Panda PM fiber patchcord terminated with an FC/UPC connector on one end which is pre-aligned and locked to PM slow axis and an 8.0+/-0.5 degrees angle polished 1.8mm OD D-Shaped glass ferrule on the other end. ER is minimum 25dB measured one way only, using FC/UPC connector as input. SP: The fiber itself is 250um OD buffered. The hytrel tubing will be fixed (UV epoxied) onto fiber (fiber with acrylate buffer) at 15mm+/-2mm distance from the glass ferrule polished endface tip. PM fiber slow axis is aligned visually perpendicualr to the glass ferrule flat within +/-3 degrees.