Light Weight Anodized Aluminum Body—Can match your preferred PMS color with orders of 100+. Metal internal Spring (to eliminate coil failures) Slide-In Ball Marker Slot (both sides will be visible for better club/company/event exposure) Comfortable concave thumb print for easier insertion Shorter Prongs (7/8” vs 1 1/8”) to reduce root damage Wider Prong Width—fewer penetrations to close divot Flat Aluminum side for full color UV print customization USPTO REG. #556678 Die cast ball markers are available when quantities are 100 or more.