The TWIST MINI Stainless Steel Lace Interchangeable 4" (13 cm) system comes with five sets of tips including US000 (1.5 mm), US00 (1.75 mm), US0 (2 mm), US1 (2.25 mm) and US1.5 (2.5 mm) and three cable lengths to make 16" (40 cm), 22" (56 cm) and 30" (76 cm) circulars. TWIST red cables are memory free! They consist of a multi-strand, steel cable coated with red nylon. The MINI system also includes a needle gauge and MINI Tools Kit that contains cable connectors, end stoppers, tightening keys, stitch markers, & a gripper. A sleeve with labeled pockets holds the MINI tips. It all comes in a compact, 2-pocket, black mesh pouch that fits into the ChiaoGoo current interchangeable case!