1.4mm string in the color Black.

Please select the roll length you'd like: 50 feet, 300 feet, or 3,000 feet.

1.4mm String Information:

• - Commonly used in mini blinds, wood blinds, and RV Day/Night shades.
• - Made from 100% polyester.
• - Made in the USA.
• - Tensile strength is 130 pounds.