iMatrix Sectional Matrix System Intro Kit 1 x Black Standard Ring 1 x Grey Narrow Ring 35 x Yellow Small Wedges 35 x Blue Medium Wedges 35 x Orange Large Wedges 35 x 3.5 mm Matrices 35 x 4.5 mm Matrices 35 x 5.5 mm Matrices 35 x 6.5 mm Matrices