SWONVI (TM) 10 Pcs Ultralight Aluminum Guyline Cord Adjuster for Tent Camping Hiking Backpacking Outdoor Activity (10 pcs Guyline Cord Adjuster ) 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 Size:2.16 x 0.82 x 0.11inches . Weight: 0.19ounces; Diameter of the Hole: 0.32inch. Ideal for camping,hiking,backpacking,picnic, shelter shade canopy outdoor activity Material: Aluminum, light weight, convenient to carry,A package includes 10 pcs adjusters