[3MQ2]3M Sof-Lex Contouring and Polishing Discs Refill Fine 12mm (1/2 in) 30 PcsAn easy to use, color coded system designed to simplify your finishing and polishing procedures. Packing: 30 Pcs Box Product Features Specifications Usage Instruction Easy to use system allows you to create high luster restorations that offer lifelike esthetics Discs are color coded to allow for easy identification of grit sequence Pop on disc technology makes changing discs easier to save you time Pop on discs conform to the contours of the teeth for