Included 12 pcs adjusters, 3-Hole design, more convenient to use than other products,and more easily Size: 49 x 27 x 2mm. Weight: 5.5g each; Diameter of the Hole: 18cm,8cm,5cm. Quick Adjustment: Help to adjust the cord to any length quickly, Protect your tent, sleeping bag from being blown away by strong wind Material: Aluminum, light weight, convenient to carry Ideal for camping, hiking, backpacking, picnic, Awning, shelter shade canopy outdoor activity Features: You can use these adjusters to adjust the tent cords for a safety tent. The design of 3 holes helps you with a firm grip on the line for easy using. Just adjust the line to any length you like with these convenient adjusters. Specifications: Material: Aluminum Alloy Color:Red Size:49 x 27 x 2mm Weight: 5.5g Diameter of the Hole: 18cm,8cm,5cm Package Included: 10 x Tent Rope Adjuster