The Knitter's Pride Cord Connectors are extremely useful tools for joining two cords in order to provide a larger cord length. They can be used for handling bigger projects and are convenient to use. They come with a tightening slot that can be used to provide more grip with the help of a cord key. Included: 2 No's 35 mm and 1 No 50 mm. cord key Handy containing pouch. You can also view all Knitter's Pride Cord Connectors.