QwikStrip Finishing IPR Strips, Curved, Single-Sided, 10-Pack, Assorted. 2 of Each Single Sided (.07mm-.18mm). Contains 2 of Each: QS-SF, QS-F, QS-M, QS-C, QS-XC. For Cement Removal, Finishing and Polishing, Interproximal Reduction (IPR). Autoclavable. CONTAINS 2 OF EACH: QSC-SF, QSC-F, QSC-M, QSC-C, QSC-XC