Package: 20 Pcs black rope adjusters. Material: Premium Plastic, ultra-light, sturdy and durable, convenient to carry Practical: 3-Hole design, more convenient and easier to use than other cord rope tensioner Tent rope tensioner: Adjust rope to any length with these adjusters, help to lock the cord and prevent it skids away Size: Approx: 35 x 12 x 3.2 mm / 1.38 x 0.47 x 0.12 inch; Diameter of the hole: 4 mm / 0.16 inch, fits rope sizes 4 mm or less wide Wide Applications: Ideal for camping, hiking, backpacking, picnic, tent, sheltered shade, rain fly, tarp canopy and other outdoor activities