Elife 12pcs Red Color Aluminum Tent Rings Cord Tensioners Camring Guyline for Camping Hiking Backpacking Picnic Shelter Shade Canopy Outdoor Activity Package included:12pcs adjusters. (the cord and the stake are not included) Diameter: 0.75inch; Width: 0.28 inch Weight: 0.05ounce Diameter of the Hole: 0.15inch Fits for the cords from 1.5mm to 4mm Help to lock the cord and prevent it sliding away(The cord and the stake are not included)