Sisal rope is a versatile natural fiber product , and understanding its various thicknesses is essential for choosing the best option for your task . Generally, sisal cord comes in sizes spanning 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 used fo