36 to 60- Inch Bungee Cord Strap with Carabiner with Spring Snap Hooks Classic load & material-managing tool improved with snap link carabiner ends Fast connect with superior reliability & security over traditional bent hooks Spring-loaded gate automatically closes, won't come off unless you take it off 8mm (5/16") multi-strand rubber core with abrasion-resistant nylon jacket 36" relaxed length stretches to over 60"; 2-3/4" aluminum snap link, 1/2" gate capacity