The Softspikes golf ball alignment tool makes neat and precise lines on the ball for perfect putter line aiming. This great tool is the only alignment marker that marks both sides of the ball. Draw lines for both easy alignment and putter squareness. This great golf accessory features a putter squareness line for keeping the putter face square through impact, and also a swing path reminder line to help promote a proper golf swing path, improving your accuracy on the greens. Comes complete with a small permanent sharpie marker and Pro-length Plus tee.