Smith Corona H21000 Correctable Film Ribbon (Dual Pack)
These are twin-spool replacement ribbons for typewriters. They produce a rich black and red color and are designed to work with the original equipment manufactured. Use of this product will not void original warranty. The housing of each ribbon spool measures 2 inches in diameter, ribbon itself measures 1/2 inch by 24 feet.
These universal typewriter ribbons replace manufacturers parts for: