Nifty Clips ULTIMATE GOLF CLIP for hat cap or visor. Attaches to either side of hat to hold your favorite ball marker and golf pencil in one convenient package! BLACK 3 PACK! USA FLAG ball markers are .75" Diameter Stamped steel Holds a ball marker and golf pencil in one convenient package. Easy access to the most used golf accessories. Eliminates the searching or fumbling for your pencil or marker. Great conversation piece on the course or in the clubhouse.