When it comes to choosing a type of weed eater line, the shape of the line can play a big role in performance. One of the most common types of weed eater line is round in shape, designed for cutting grass and weeds.
If the line has a star or triangle shape, the edges of the line will be sharper. This makes improves performance and increases the amount of items that you can cut through. You can cut through woody plants more easily with a weed eater line that has a triangle or star shape.
Here's how to replace yours if you want to switch up the shape.