Putt like a pro with this tour-quality marking device sure to help you sink more birds. This waterproof ink ball marking kit provides a snap-on template, and a permanent marking pen with twin nibs, 1.0mm medium and 0.4mm fine, in black, blue or red ink. Mark your golf balls with the alignment arrow and supporting straight line, and ID with four small designs. Ink dries instantly and holds up for a very long time even in wet conditions. Select your color and click Add to Cart!