Generic Red Color 10Pcs Aluminum Guyline Cord Adjuster for Tent Camping Hiking Backpacking Picnic Shelter Shade Canopy Outdoor Activity (Tent Rings) Diameter: 0.75inch; Width: 0.28 inch; Diameter of the Hole: 0.15inch. Weight: 0.05ounce Color: Red Help to lock the cord and prevent it skids away Protect your tent from high wind A package includes 10pcs adjusters