The ChiaoGoo TWIST Shorties set includes 2-inch (5 cm) and 3-inch (8 cm) interchangeable knitting needle tips. Each of the two tip lengths is provided in sizes US-0 (2 mm), US-1 (2.25 mm), US-1.5 (2.5 mm), US-2 (2.75 mm), US-2.5 (3 mm). and US-3 (3.25 mm) for a total of 12 pairs of tips. The set also includes three Mini twisted stainless steel cables: one 5-inch (13 cm), one 6-inch (15 cm), and one 8-inch (20 cm).The set also includes 2 mini cable connectors, 2 mini end stoppers, 6 stitch markers, 4 tightening keys, and a mini needle gauge. The tips are securely held in a black tip sleeve that closes with a snap. The entire set is enclosed in a small red nylon zippered case that measures about 4.75 inches x 3.37 inches (12 cm x 9.5 cm). The 12 pairs of solid, surgical stainless steel tips have tightening holes with MINI threaded connections, which also fit the Twist Mini cables that are sold separately in lengths from 8 inches through 37 inches. All Twist cables, including the 5-, 6-, and 8-inch cables in this set are flexible and memory-free. You can combine the 2-inch tips, the 3-inch tips, and one each of the 2-inch and 3-inch tips with with the 5-inch, 6-inch, and 8-inch cables to make nine unique combinations of circular knitting needles in tip-to-tip lengths from 9 inches long through 14 inches long.