JB Ultralight Aluminum Guyline Cord Adjuster for Tent Camping Hiking Backpacking Outdoor Activity(red Color 10pcs,Size: 43mm*15mm*5mm) 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 S43mm*15mm*5mm . Weight: 0.08ounces; Diameter of the Hole: 5mm; Ideal for camping,hiking,backpacking,picnic, shelter shade canopy outdoor activity Material: Aluminum, light weight, convenient to carry,A package includes 10 pcs adjusters