Wedges with graduated side depth for superior fit, and the ability to reach deeper into the box area without diversion from buccal and lingual papilla. Isolates blood, saliva and cervicular fluids from the cavity preparation. Strong, elastic material conforms to anatomical irregularities while providing greater tooth separation. Superior adaptability and improved force vectors. No back-out. Kit includes Assorted Wedges x 400 (Blue x 100, Orange x 100, Green x 100, Purple x 50, Red x 50).