Items will fit in nearly all typewriters that use a 2 inch ribbon spool or you can take the custom colored ribbon off our spool and rewind onto your antique spools. Designed for Brother Typewriters, Consul Typewriters, Daro Typewriters, Diana Typewriters, Empire Typewriters, Everest Typewriters, Fact Typewriters, Halda Typewriters, Hermes Typewriters, Imperial Typewriters, Good Companion Typewriters, Oliver Typewriters, Olympia Typewriters, Olivetti Typewriters, Remington Typewriters, Royal Typewriters, Scientific Typewriters, Sears Typewriters, Smith Corona Typewriters, Underwood Typewriters. All of the FJA Products Typewriter Ribbons are made in the USA. We are US Veteran Owned and Operated. These Ribbon/Spools are BRAND NEW and freshly made. The ribbon and spools are attached and sealed in a plastic bag. The spool diameter is 2 inches and the ribbon is 1/2 inch wide. We provide an expanding center core to accommodate almost any spindle size. The pictures shown by FJA Products is what we are offering. Just open the bag, place the ribbons spools into the spools cups, feed the ribbon through the ribbon guides of your typewriter and begin typing. Need help? Call our Toll Free 800 number to speak with us. Our 800 line work in USA and Canada. Typewriter Installation Video is online and FREE. You will need to call for the link or Search FJA Products on Youtube.