Impact Ball Liner 3-Pack

This is excellent - using these markings has given me a noticeable edge and I definitely start the ball on line far more frequently than I used to.

I have used it so far for 3 rounds and have improved my overall by 4 stokes. It really helps keep my putter square

Really helped my putting on first game. Took me four holes to get familiar with alignment as this is new to me. Then I found putting accuracy greatly improved.