With a natural diamond strip that lasts longer and cuts smoother, FlexiDiamond Strips are great for finishing and polishing porcelain interproximally and for starting the interproximal polish on dental composite restorations. They are also a good tool for orthodontic stripping. FlexiDiamond Strips are strong and flexible giving you easy access into curved surfaces without the risk of breaking. These strips are autoclavable and are gapped in the center for easy insertion. (12 strips per package, same grit).