Diameter: 1.8mm Color: Dark Brown This cord is used by professional manufactures and repair centers. 1.8 mm has 155 lb. tensile strength. Notes: This diameter cord is mostly used on Horizontal and Roman Shade Blinds. Polyester cord - resists effects of sunlight better than most other cords. All Cords are braided to minimize stretch and reduce friction. Please see image #2Says approximate in image #2 which means.Close to the actual, but not completely accurate or exact.We show image #2 as a guide to help you selectthe correct cord to repair your blind.Do not order this cord if you are looking to use on some other projectthat needs a exact cord. See all my Window Blind Replacement Cords A 15% restocking fee or more will be charged for returnsDepending on the condition when we receive.