Feature:1. Main Purpose: liners can easily and accurately add alignment and identification marks. Help align your shots or determine if your putter rolls in a straight line, and add unique identification symbols.2. Portable Design: The ultra thin design is convenient to store in the bag, easy to carry, will not increase burden, can bring you more convenience.3. Multiple Choices: 3 different ball line liners, 2 different color line drawing pens, various combinations, so that you can easily add line to ball.4. Slotted Alignment Kit: The slotted alignment kit is ideal for marking parallel lines on balls and turning any ball into a triple track ball.5. Convenient to Use: It's very easy and convenient to balls at any position, whether you're on the practice green or directly on the local route.Specification:Item Type: Golf Line Drawing DeviceMaterial: PlasticWeight: Approx. 18g/0.6oz Package List:1 x Golf Line Drawing Device 2 x Marker Pens (Red, Blue)