4.0mm string in the color Duck White.
4.0mm String Information:
- - Commonly used in old style wood and venetian blinds.
- - Outside made from 100% cotton.
- - Inside core made of nylon, polyester or a nylon/poly blend.
- - Made in the USA.
- - Tensile strength is 140 pounds.
Available in 50' and 300' rolls.