Features: Make of plastics materials, safe and enduring for your use and can serve for long terms. With slotted designs which allows for drawing straight and neat lines easily. The clear imprints alignment tool features easy to distinguish visual markers, ensuring accurate positioning for perfectly performances on the course. Comes with pen, offering convenience for your golfing needs. Whether you are a professional or beginner, you can use the marker tool to get a smooth, crisp line. Specifications: Materials: Plastic Size: about 6x4.5cm/2.36x1.77inch Package Includes: 1set Golfballs Line Marker note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.