About the StarPro StarBall Golf Cup Insert
The StarPro Greens Putting Green Cup Insert features a patented StarBall energy absorber that retains a correctly putted golf ball just like a real golf hole, making it easy to work on your putt wherever you want to play. PATENT No. 6,287,213
- Simulates a real golf hole (extremely accurate) without the need to drill a hole in your floor
- Easily slides under a putting green for quick installation
- Compatible with StarPro Greens Professional putting greens
- Center focus target that indicates left or right of dead center on every putt!