The paracord 550 is made from nylon kernmantle. It is the most well-known parachute cord. Its breaking strength is 550 pounds. The US military first used it for parachutes. However, they also used it in the field to repair gear straps and replace broken boot laces.
The paracord of military-grade 550 is 32-strand braided with seven 3-strand inner yarns. Paracord sold in commercial quantities often has 7 inner yarns or 2 strands 7 inner yarns. The 550 nylon cord was a popular material among whipmakers in the 1970s and continues to be so.
Outdoor climbers and cavers use paracord for rope rescues. Hunters also use paracord for different straps, pouches, and tying nets. Paracord is used by craftsmen to create paracord figures, bracelets, and belts, as well as dog collars, leashes, jewelry, key chains, and trivets. These items all use one or more knots.
The survival bracelet is a popular choice for craftsmen as well as outdoorsmen. The bracelet is made by weaving several feet of cord together using knots. In an emergency, the bracelet can be untied and the paracord can be used to attach poles to create a shelter.
Paracord used to only be available in certain colors for military use. However, paracord is now available commercially in many colors and patterns and can be bought from numerous online retailers