Each. EPITEX is perfect for finishing and polishing interproximal surfaces (composite, glass ionomer or metal restorations). It is ultra-thin because abrasive particles are not bonded to the strip by adhesive. EPITEX allows easier access in tight contact points, helping to minimize gingival damage. Epitropically attached particles. Ultra-thin, flexible strips. Clear matrix strip. Improved wear resistancy. Color-Coded (4 grits). Coarse; medium; fine; extra fine.