Check the listing for details. DA VINCI Golf Ball Markers with Magnetic Hat Clips. Condition: New. Listed at 8.99 USD. Metal 1 inch diameter hat clip with strong magnet to hold the ball marker in place1 inch removable metal ball markerUse the removable ball marker with hat clips, divot tools, marker poker chips, or other magnetic golf accessoriesMakes a great gift for the golf enthusiast and a must for any serious golfer Product DescriptionDA VINCI magnetic golf hat clip with one inch metal golf ball marker as shown. Choose from 4 different designs or select All 4 Designs for a discounted price. The hat clips are made of metal and have a strong magnet in the center that can hold the metal ball marker. The ball markers are 1 inch in diameter and made of metal with the design as shown. You can use the ball markers with hat clips, divot tools, poker chip markers, or other magnetic golf accessories.