- Pre-finished, contoured and belled to save placement time. - Soft tin-silver alloy retains shape of preparation and is easily stretched and burnished to fit prep margins. - Bicuspid and molar crown selection to cover adult posterior applications. Prefabricated crowns made of tin-silver alloy for short-term adult posterior use. - Refills of individual permanent crowns are available in boxes of five. - Set with 64 Crowns, 2 Crowns per size: L-42, L-43, L-44, L-45, L-46, L-47, L-52, L-53, L-54, L-55, L-56, L-57, U-42, U-43, U-44, U-45, U-46, U-47, U-52, U-53, U-54, U-55, U-56, U-57, 1 Crown per size: U-49, U-41, U-40, U-48, U-59, U-51, U-50, U-58, L-49, L-41, L-40, L-48, L-59, L-51, L-50, L-58, 1 Measuring Gage, 1 Strech Block. **For further product information, please contact Chat Support**