15 to 18-Inch Baseball Base Bolt Adapter — Base Size Conversion Adapter for Baseball & Softball In-Ground Base Systems
Bridge the size gap. The 15 to 18-Inch Baseball Base Bolt Adapter is the conversion adapter component that allows facilities to use 18-inch bases with 15-inch in-ground anchor systems — providing the practical bridge between base size specifications without the expense and disruption of excavating and replacing the existing in-ground anchor infrastructure. The adapter is essential for facilities upgrading from 15-inch to 18-inch bases — which is increasingly common as safety standards evolve and larger base specifications become preferred in youth and recreational leagues for improved injury prevention — without having to completely redo their in-ground anchor installation. A cost-effective, practical solution for field managers and groundskeeping teams navigating base size specification changes across their diamond facilities.
Upgrade without excavation. The 15 to 18-Inch Baseball Base Bolt Adapter — the practical conversion solution for facilities transitioning between base size specifications.
- Dual anchor post for 15″ and 18″ bases
- Steel constructions fits B001X and B001X2 bases
- No need to rebury base ground anchors



