Long lasting cast aluminum construction with polyester powdercoat paint finish protects against UV fading and resists cracking by garden chemicals and acid rain. Refer to address tile part #'s: 90610-68: 0, 90611-68: 1, 90612-68: 2, 90613-68: 3, 90614-68: 4, 90615-68: 5, 90616-68: 6, 90617-68: 7, 90618-68: 8, 90616-68: 9, 90619-68: blank, 90621-68: 2 small blank tiles.