Adler Royal Typewriter Ribbon spool black and red SC-20BR-ROY

Royal Adler Typewriter Ribbon Black Red from EBS 1-800-816-6855 for use in Old Twin Spool Typewriters Black Red Nylon Ribbon SC 20 with 2 inch diameter Fits the following Adler and Royal Typewriters: Academy, Aristocrat, Arrow, Challenge Portable, Collegi