Generic Aluminum Tent Rings Cord Tensioners/guyline Cord Adjuster for Tent Camping Good helper of outdoor adjust the rope,Help to lock the cord and prevent it skids away Material: Aluminum, light weight, High quality convenient to carry Diameter: 0.75inch; Width: 0.28 inch; Diameter of the Hole: 0.15inch. Weight: 0.05ounce Ideal for camping,hiking,backpacking,picnic, shelter shade canopy outdoor activity