Iso-Form Assorted Molar Tin-Silver Alloy Temporary Crowns, Kit of 64: 2 crowns per size: L62, L63, L64, L65, L66, L67, L72, L73, L74, L75, L76, L77, U62, U63, U64, U65, U66, U67, U72, U73, U74, U75, U76, U77; 1 crown per size: L60, L61, L68, L69, L70, L71, L78, L79, U60, U61, U68, U69, U70, U71, U78, U79; 1 measuring block and 1 stretch block. Complete kit