1 inch deep cup simulates real course conditions for accurate practice
Regulation 4 1/4 inch diameter matches standard golf hole size for realistic training
Flange design ensures secure installation on compatible surfaces
Compatible with shims or other 1 inch deep putting surfaces for versatile setup
Summarized by Shop
The Double Depth BirdieBall Putting Green Cup is 1" deep, and is the same size in diameter (4 1/4") as the regulation hole on the golf course. The cup is installed from the bottom side of the putting green, and has a flange on the bottom to hold it in place.
Designed for use with shims in place to make the hole a full 1" deep. Can also