Twisted Fiber Rope - 10 Ft -Glass Craft Applications Sold in 10 foot sections Use twisted fiber rope to keep openings in jewelry, wind chimes, and other projects while firing Untwist into 3 pieces each with a diameter of 1/4". Untwist those 3 pieces and each strand is 1/8" in diameter Withstands temperatures to 2300 degrees F (1260 degrees C) So versatile - you get so many diameters out of one piece so you always have the right size for the project you're working on.