Slit design for straight lines - The surface features a slit design that makes it easy to draw straight, clean lines on golf balls. This supports precise alignment and consistent practice, and can also be used as a tool for marking ball marks when needed. Golf ball stencil marker - Built with professional grade technology to ensure high quality and long lasting performance. It functions as a putting marker while providing a reliable reference for line placement and alignment. Golf marking set - Precision produced to deliver stable properties and high reliability. This makes it a dependable alignment and marking tool for routine practice and on course use. Golf practice tool - Simplifies drawing lines on the ball. The golf liner helps you create straight, clean lines more easily on the practice green or on the course, supporting better aim and stroke alignment. Key attributes - Function: enables marking and alignment on golf balls with straight lines for improved aiming and putting consistency. - Compatibility: designed to work with standard golf ball sizes for reliable line marking and marker use. - Size and material: built for durable use with a compact form that is easy to handle during practice and play. - Performance: professional grade construction and precision manufacturing to deliver stable, repeatable results. Usage scenarios - Practice range: mark consistent alignment lines on practice balls to train your putting stroke and aiming point. - Putting green sessions: apply lines on the ball to guide stroke path and verify alignment during drills. - Coaching and training: use as a reference tool to show line deviation, track progress, and compare improvements over time.