Check the listing for details. Graves Golf Throw-A-Hole Putting Training Aid. Color: White, Condition: New, Made in China. Listed at 22.00 USD. Trying to work on your short game, not enough holes in the practice greens? You can have your own hole every time you practice & even in your own yard! Graves Golf Throw-A-Hole allows you to simulate holes anywhere on the green. The 5.5 inch circular disc has a 4.25 inch center, the size of a regulation golf hole. Comes in a 3-Pack. The ideal speed of a ball will roll 12-18 inches past the hole if it misses. Throw-A-Hole features a beveled edge angled the ideal amount to promote the ideal speed of the ball. The ball will stay inside if it is rolling at the optimal speed to go in a regulation golf hole. Now you can take these every time you practice, use on the carpet in your home if you can’t get out on the course!