Sterling Home » Pre-Assembled » Sterling Select an option... 80 Niche Columbarium 100 Niche Columbarium 120 Niche Columbarium 80 Niche Ossuarium 100 Niche Ossuarium 120 Niche Ossuarium 80 Niche Columbarium with Heavy Base & Cap 80 Niche Ossuarium with Heavy Base & Cap Sterling Family 80 | 100 | 120 Companion Niches 160, 200, 240 Urn Spaces 6′-9″ Diameter