Composi-Tight 3D Thin Tin G-Ring 3/Pack Sectional matrix systems are unbeatable for predictable contacts on posterior composites, and the Composi-Tight name brand sets the standard. Composi-Tight 3D was the first Soft-Face member of that award winning family. The Soft Face 3D-Ring combined with the thin tine G-Ring® provide incredible flexibility. Predictable, tight and anatomically accurate contacts can be produced faster and easier. Thin Tine G-Ring® - can be utilized in certain conditions where the shape of the dentition will not allow the contoured shape of the Soft Face 3D-Ring (orange) to grip tightly around the tooth, the burnished ends of the thin tine G-Ring® will adapt and retain more effectively.