Expanding the Twist Shorties to include sizes 4 (3.5mm) – 8 (5mm). This set will include those sizes in the 2″ (5 cm) and 3″ (8 cm) stainless steel tips. The blue, X-Flex cables are just like the red ones only more flexible. This set comes with ten pairs of tips, three small blue cables (5″/13cm, 6″/15cm, and 8″/20cm), six stitch markers, two connectors, two end stoppers, tightening keys, and a needle gauge all packed in a blue zippered case.