Discount Printer Ribbons is proud to offer these replacement Nukote B64 metal spooled typewriter ribbons for your typewriter. These Nu kote nylon ink ribbons replace the GRC-T1 ink ribbon. These Typewriter Ribbons are freshly manufactured and ready to be shipped to you today. Instead of today's standard plastic spools, these vintage ribbons come with two authentic metal spools. These typewriter ribbons are designed to work in antique typewriters, vintage typewriters, word processing typewriters, manual typewriters, and electronic typewriters.