Accu Film II - Red/Black. Double-sided .0008" (21 microns) articulating film. 280 strips (3-1/2" x 7/8"). Ideal for occlusal equilibration. Does not break easily. Prevents bite distortions. Guarantees accurate markings. Accu Film is a single-side articulating film for occlusal symmetry and restoration calibration. The stretchable but non-breakable construction ensures the consistent creation of accurate marks without false markings or bite distortions for convenient interpretation.Each pre-cut strip measures 21 microns thick and 3-1/2" x 7/8".