Good helper of outdoor adjust the rope,Help to lock the cord and prevent it skids away;This is a new design products, more convenient to use than other products,and more easily;Size: 2.16 x 0.79 x 0.08inches . Weight: 0.1ounces; Diameter of the Hole: 0.31inch; Ideal for camping,hiking,backpacking,picnic, shelter shade canopy outdoor activity;Material: Aluminum, light weight, convenient to carry,A package includes 10 pcs adjusters.