11 Piece Set Includes: (1)... 2.6mm Straight Osteotome used to carry and place bone grafting material into site of the elevated sinus floor. (2)... 3.1mm Straight Osteotome used to condense bone material under the sinus. (3)... 3.8mm Straight Osteotome used to carry and place bone grafting material into site of the elevated sinus floor. (4)... 4.5mm Straight Osteotome used for lateral bone condensation for elevation of the sinus floor. The angle assists with posterior access. (5)... 5.0mm Straight Osteotome used for lateral bone condensation for elevation of the sinus floor. The angle assists with posterior access. (6)... 2.6mm Curved Osteotome used to carry and place bone grafting material into site of the elevated sinus floor. (7)... 3.1mm Curved Osteotome used to condense bone material under the sinus. (8)... 3.8mm Curved Osteotome used to carry and place bone grafting material into site of the elevated sinus floor. (9)... 4.5mm Curved Osteotome used for lateral bone condensation for elevation of the sinus floor. The angle assists with posterior access. (10)... 5.0mm Curved Osteotome used for lateral bone condensation for elevation of the sinus floor. The angle assists with posterior access. (11)... 1 Mead Mallet