Composi-Tight 3D Fusion Full Curve Matrix Bands are the result of Garrison’s more than 20 years of research and development in the area of sectional matrix materials. Composi-Tight 3D Fusion bands are loaded with features to improve and simplify posterior Class II restorations. Full curve bands wrap further around the tooth – out of your way – and have optimum anatomy built right in. Improved subgingival areas and increased width mean you’re ready to tackle the toughest deep restoration or extra-wide prep. Height 4.1mm (w/ext. 6.0mm), bicuspids with deep cervical preparations.