1m long fiber optic patchcord assembled with 9/125um SM fiber for 1550nm, fiber is jacketed with yellow 900um OD Hytrel tight buffer. One end is terminated with a 1.25mm OD zirconia ferrule, mounted on a 3mm OD stainless steel ferrule. The endface of the zirconia ferrule is flat polished and AR coated. The other end is terminated with a narrow key angled FC/PC connector without AR coating. AR1: Only the zirconia ferrule mounted on the stainless steel ferrule is AR coated, R<0.5% @ 1550nm. Made in CANADA. SP: 1.25mm ferrule protrudes 1.5mm from a 3.0mm diameter, 5.5mm long stainless steel housing, with a 1.8mm diameter, 4mm long steel tube at the rear of the housing.