Check the listing for details. Line M Up Pro Precision Golf Ball Alignment & Identification Tool Sharpie & Mini. Condition: New. Listed at 10.99 USD. Line M Up Pro Ball Alignment System Line M Up Pro Ball Alignment System Snaps onto ball to allow for accurate markingsMultiple different ball marking and alignment optionsLine up shots by using the line to point you in the right directionPractice putting straight by watching the line on the ball as it rollsIncludes a Sharpie Mini Line M Up snaps onto your golf ball to allow you to easily and accurate add alignment and identification marks. There are many different marking options that allow for a variety of uses. Use your marks to align your shot or tell if your putt is rolling straight. Line M Up also works great to add unique identifiers to you ball. Includes a Sharpie Mini attached for easy and convenient marking. Conforms to USGA rules FREE SHIPPING! Shop Our eBay Store