3M™ Sof-Lex™ finishing strips, refill, coarse/medium, narrow, 1954N, 100ct. Features: - Offering excellent finishing and polishing results, 3M™ Sof-Lex™ finishing strips feature gapped centers for easy interproximal insertion. - The strips are precision-coated with an aluminum-oxide grit to produce a smooth restoration surface that helps prevent interproximal plaque buildup. - Features gapped centers for easy proximal insertion. - Precision-coated with an aluminum-oxide grit to produce a smooth restoration surface that helps prevent interproximal plaque buildup. - Narrow strip available for ease of use in tight interproximal areas.