Metal Strips #300-B Width by GC America SKU 970-1221AA 123 $111.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out GC Metal Strips - 3.3 mm B-width #300 Coarse-Blue, for Interproximal Trimming and Finishing, Sterilizable/Autoclavable, Refill Package: 12 Strips. #000257