#36 Rosary cord twine is 100% twisted nylon fiber and perfect for making hand-knotted Rosaries. #36 cord is approximately 1/8 of an inch or 3 millimeters in diameter. Each roll of #36 Rosary cord twine is one pound in weight, approximately 550 feet in length, and can make 20 to 22 knotted Rosaries, depending on construction.