Sof-Lex Finishing and Polishing Discs are coarse to superfine grits that are clearly color-coded for ease of procedure sequencing and quick, pop-on/off disc interchangeability. Moreover, they conform to the contours of the teeth for easier finishing and polishing. Create a high-luster restoration for lifelike aesthetics with Sof-Lex. (1981) 3/8" Fine 85/Bag