The Guru Line Marker Pen is an indispensable tool for the coarse angler who wants to fish at exactly the same distance with maximum precision. Thanks to its high visibility, you can effortlessly apply a clear mark to your main line that stands out perfectly in various light conditions, making this pen ideal for slider and waggler fishing. The marker is clean and practical to use, ensuring that after a hard fight you can quickly and easily clip up again at the correct distance. With this efficient marker pen, you always stay in control of your feeding spot and guarantee faster and more consistent bites.