100% Nylon Twine is a tool used for fishing. It is usually made of high-strength and wear-resistant materials, such as nylon and polyester fibers. The main purpose of a fishing line is to attach a bait or lure to a fishing rod, enabling the angler to cast the bait into the water and use it to steer and control the movement of the fish.

The choice of fishing line depends on many factors, including the type of fishing, the size of the fish, the conditions of the water area, etc. Thicker lines are often used for larger fish because they have greater strength and abrasion resistance and can withstand greater pulls. Thinner lines are better for smaller fish because they are less visible to fish.

Fishing line can be used for several other purposes besides fishing. For example, it can be used as a makeshift rope for lashing things or building simple structures. Some people also use fishing lines for crafting or other DIY projects because of their toughness and durability.

The main purpose of fishing line is to connect bait and fishing rod in fishing to help anglers catch fish. But it can also play a role in some other situations.