The loop diameter is 3.5 mm; a 3-foot continuous loop contains 6 feet of rope that can be braided into a 3-foot loop; a 4-foot continuous loop contains 8 feet of rope that can be braided into a 4-foot loop; a 6-foot continuous loop contains 12 feet of rope that can be braided into a 6-foot loop; Quantity: 1 pieces. Levolor blinds replacement parts are suitable for most brands of corded blinds, such as Hunter Douglas blinds, honeycomb blinds, etc. International product terms vary; loop rope sold abroad may differ from local products, including size, grading, and the language of the product, label, or instruction manual.