Cosmos Ultralight Aluminum Guyline Cord Adjuster for Tent Camping Hiking Backpacking Outdoor Activity Aluminum Guyline Cord Adjuster. Ideal for camping, hiking, backpacking, picnic and other outdoor activity Help to adjust the cord to any length Protect your tent from high wind Each piece is about in size: 1.7 x 0.6 inches; Weight: 0.05 ounces Each pack with 10 pieces