Features: 1. This ball marker allows you to draw a trajectory line on any golf ball you want, regardless of brand or color. 2. You can easily create lines that perfectly match the putter, just like the real thing. 3. The marker pen of the golf marking tool is made of high-quality plastic, reusable, safe to use, and can be used for a long time. 4. It can be clamped on the ball and has a good fit, which can ensure that your ball will not fall, and get smooth and clear lines. 5. It is helpful to mark the ball before the game starts. This is an easy way to draw lines to check the alignment of your swing or putt. Markers can also help you find the ball easily. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Specifications: Name: Golf Ball Line Liner Weight: 5g Material: ABS Package List: 1 x Golf ball line liner 2 x Marker pens