300m spool of PE line X-CORE, size 4. It has high strength and low elasticity, allowing you to reliably detect bites even in deep water. Size 4, 50lb, thickness 0.32mm, 300m ※ This is gray PE line X-CORE, which is less visible underwater. There are no length markers. The entire line is gray. ※ We also have other sizes and colors available, so please take a look if you'd like. → #Other sizes and colors are here