LeBeila 5Pcs Aluminum Guyline Tensioners, Tent Camping Guyline Cord Adjuster Rings for Hiking, Backpacking, Picnic Shelter (Black) Material: high quality aluminum and metal Dimension: 3 holes, one big and two small, approx 4.8cm x 2.6cm x 0.4cm(L x W x T) Adjusting the line to any length you like with these convenient adjusters, quick adjustment and strong enough for daily use Great equipment for camping, hiking, backpacking, picnic, shelter shade canopy outdoor activities Package included: 5 x Guyline Cord Adjusters