The Fluke Networks 5235454 Test Reference Cords MRC-50 SC, LC, Singlemode TRC Kit is a high-quality unit designed for testing fiber optic connections. This kit includes reference cords with a 2.5mm ceramic ferrule termination style and UPC polish for reliable performance. The cords are encircled flux (EF) designed and come in a blue color. With a total length of 11.14 inches and two outlets, this kit is perfect for ensuring accurate measurements and inspections in telecom and audio transformer applications. Made in the United States by Fluke Networks, this TRC kit is a valuable tool for professionals in the industry.