This golf score counter is equipped with 18 holes in total, 9 holes on one side and 9 holes on the other side. Allows golfer to keep scores from 0 to 9 individually or for each hole. The score counter accompanied with wheels with numbers, which is easy to change by fingertip. Scores changed by press the button. Simple and very effective way to keep your score on the golf course, which performs well in practical use. Diameter is about 3.14". Come with durable clip for easy attachment. Keep track of your each stroke. This is a great accessory for golf enthusiasts. If you are a golf enthusiast, you deserve it. QHALEN Golf Score Counter 18 Holes Golf Score Stroke Shot Counter Keeper Round Scoring Tag with Clip Keychain