Greenkeeper Line M Up Pro Putt Positioning 1 Count (Pack of 1), Varies Product Details Item Package Dimensions L x W x H: 6.5 x 5.16 x 1.69 inches Package Weight: 0.03 Kilograms Item Dimensions LxWxH: 5.6 x 4.2 x 1 inches Brand Name: Green Keepers Color: Varies Material: Plastic Suggested Users: "", Golf Training Equipment Number of Items: 1 Manufacturer: Greenkeepers Part Number: DBL002PS Model Year: 2009 Style: Chisel Size: 1 Count (Pack of 1) Sport Type: Golf Hand Orientation: Right Brand: Green Keepers Ink Color: black Number of Items: 1 Point Type: Chisel Recommended Uses For Product: Writing Precision golf ball alignment tool positioning ball marker Snaps onto ball to allow for accurate markings Multiple different ball marking and alignment options The ball marker enables you to mark your straight line to the pin to sink more putts Includes Sharpie 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. The Line M Up Pro Ball Marker enables you to mark your straight line to the pin to sink more putts. Includes a Sharpie to mark your ball. Conforms to USGA rules.