This is the Cortland Ultra Premium Fluorocarbon Tippet in 6X size and 100 yards length. It is ideal for fly fishing and can be used with multiple species of fresh and salt water fish. The tippet has a line weight of 3.9 lbs and a line diameter of .005 inches. The Cortland tippet is made with hydrophobic coating, making it abrasion-resistant and super strong. Its visibility is low, and it has low line memory. This tippet is made in Japan, and it comes with expedited shipping. Get the Cortland Ultra Premium Fluorocarbon Tippet for a high-quality fishing experience.