Tombstones Use our New Tombstone Finder! BP07- Square Plain BP08- Square with Grid BP09- Square with T-Slots BP10- T-Plain BP11- T with Grid BP12- T with T-Slots BP13- T Modular BP14Sub-Plates BP15Sub-Plates BP29- Cross Plain BP30- Cross with Grid BP31- Hex Plain BP32- Hex with Grid BP33- Octagon Plain BP34- Octagon with Grid BP38- “Doghouse” Plain 5-Axis Tombstone BP39- “Doghouse” Grid 5-Axis Tombstone BP41- Triangle BP42- Window