Check Go Pro Golf Ball Sweet Spot Finder from Izzo Golf

Make more putts, hit straighter shots, and drive the ball longer with the Check Go Pro Golf Ball Sweet Spot Finder. The Check Go Pro enables you to locate your golf ball's sweet spot with scientific precision, thus reducing the chance of hooks and slices off the tee and missed putts on the green. How it works The high speed gyroscopic action realigns the ball's variance in mass along its equator While spinning, you use the special pen to permanently mark the ball's unique equator The built in alignment cup allows you to mark partial or full lines without additional tools The new ergonomic design and 'Balance Timer' feature shows you the exact moment to mark the ball On the tee or green, simply line up the ball's equator with your target and swing as usual Includes 2 AA batteries and permanent marker pen