These thin flexible blue nylon click cords have lifeline eyelets and are meant to fit all Addi Short Interchangeable Tips. The length of the cord denotes the total tip to tip length that is achieved when atttaching Addi short lace and rocket tips. This is a single cord item with a silver-coloured finish that matches Addi Interchangeable tips. Note that these cords are compatible with all Addi Click Interchangeable needles, however when used with long tips they will be 2 inches longer.