Sisal cord is a adaptable natural fiber product , and understanding its differing thicknesses is essential for choosing the appropriate option for your task . Generally, sisal line comes in sizes from 1/8 inch to 1 inch in width, with common sizes being 1/4 inch, 3/8 inch, and 1/2 inch. Heavier cords (like those over 3/4 inch) are usually used for