This Line is excellent for casting as it is a lightweight monofilament, with a low diameter. Unlike other lines, all of our lines have been designed specificly to the breaking strain. Also, the knott strengh is superb, and to achieve the best knots with the highest breaking strain, we at sporting retail, reccomend you use a palomar knot, or a grinner knot. Obviously to use these knots, you need swives to attach them to, but don't worry, just view our terminal tackle and we have all you need!. If using a quick change link, then i would recomend using a figure of eight knot, which is a strong knot, but not as strong as a palomar or grinner. Also, due to this lines' fine diameter, it is also great for the use of hooklenghs / hooklink material. Give it a go .. for the price, you can be guanteed you will not be disapointed.