Decathlon Inesis Golf Ball Line Stencil for golfers looking to mark the ball to line up or personalise their golf ball. For personalising your golf ball or for practising. The straight lines allow you to increase precision while putting. This is an essential tool for putting practice or lining up ball towards target. The figures allow you to differentiate your balls from those of your play mates. Sharpie pens are permanent markers, which do not dry.The marker enables your to mark your ball to differentiate it from those of your partners’ on the course. Thanks to the ball stencil you can also draw a line on your ball to help you align your putting.