The innovative carabiner ends of the Nite Ize KnotBone Adjustable Bungee allow you to adjust and lock its cord length precisely for each individual job. The KnotBone Bungee has a durable, high quality cord that threads through each end, adjusts from 48 to 10 in the 9 size and from 28 to 6 in the 5 size. No more pulling, stretching, and re hooking to get the tension you want job after individual job, the KnotBone Bungee stays right where you attach it, pulls securely to the exact length you need, and locks there. Size 5 6 28 Size 9 10 48 Durable Plastic Carabiner Clip End Secure Attachment! Available with grey cord and black KnotBone carabiner clips.