These prefabricated stainless steel crowns are manufactured with life-like height, contour and occlusal surface. They are pre-crimped at the cervical margin for fast and easy placement. Wide array of shapes and sizes. High quality stainless steel. 3M ESPE DUR5 First Primary Molar Crown, Upper Right, Size 8.4, Stainless Steel, Pack of 5. Pre-trimmed, belled and crimped for fast and easy placement. Accurately duplicates anatomy for better fit and performance. Superior longevity compared to multi-surface amalgam fillings. Permanent molar selection can be used for long-term cases with economic considerations. Crown set is packaged in a unique, stackable tray that provides convenient, easy storage of 3M ESPE prefabricated crowns.