Features: Made of metal material, durable in use. Help to form normal teeth contour, used in teeth replacement. Different shapes fit different teeth shapes, make material filling easier. Reduce the amount of material and reduce operating time, get better effects. Full set: Contains various tools, meet your all demands. Specification: Item Type: Metal Dental Matrix Material: Metal Saddle Contoured Metal Matrices 36 pcs small No. 1.311(1) - 6 pcs medium No. 1.312(1) - 6 pcs large No. 1.313(1) - 6 pcs small No. 1.311(2) - 3 pcs medium No. 1.312(2) - 3 pcs large No. 1.313(2) - 3 pcs small No. 1.301(1) - 3 pcs medium No. 1.302(1) - 3 pcs large No. 1.303(1) - 3pcs springclip No. 1.003 - 1 pc 50 mkm thick Package Include: 1Set * Metal Dental Kit