PMI Accessory Cords are made of durable kernmantle construction to UIAA standards and are great for a wide variety of uses. The smaller PMI Accessory Cords can be used for many applications such as boot laces, lanyards, tent/shelter tie-down cords, equipment fixes and much more. Larger diameters of PMI Accessory Cords may be used in applications including building climbing anchors, Prusik cords and a wide variety of other uses. These cords are made with the ideal combination of strength, flexibility, and durability.