Ptatoms10pcs Aluminum Guyline Cord Adjuster (Red Color) Package included:10pcs guyline cord adjusters Material: Aluminum Size: 0.59 x 1.53 x 0.07inches (width x length x thickness): Weight: 0.1ounces; Diameter of the Hole: 0.23inch Help to protect your tent from high wind Ideal for camping,hiking,backpacking,picnic, shelter shade canopy outdoor activity