Sisal cord is a get more info useful natural fiber material, and understanding its various thicknesses is crucial for picking the right option for your need. Generally, sisal cord comes in sizes from 1/8 inch to 1 inch in diameter , with typical sizes being 1/4 inch, 3/8 inch, and 1/2 inch. Heavier ropes (like those over 3/4 inch) are typically use