Bullseye Bullseye Burzai "Stringer" material for glass fusing. Approximately 45cm in length. Set includes two types of thickness: 1mm and 2mm. Contains approximately 100 pieces of 1mm and 50 pieces of 2mm. COE (Coefficient of Expansion 90). This is a mixed stringer set, containing both transparent and opaque colors. Only a few pieces have been used; it is almost unused. Thank you for your consideration. Not sold separately. Glass craft, stained glass production, fusing Bullseye, stringer