INTERCHANGEABLE NEEDLES: Knit Picks Mosaic Options Interchangeable Needle Set: Bulky Edition uses three distinct options of the popular Mosaic needle colors in larger sizes that are perfect for your bulkier weight projects INCLUDED: Set includes 3 pairs of 4.5" long interchangeable wood needle tips in US sizes 13 - 15 - 17 (9mm - 10mm - 12mm), 2 black cables in 24" and 40" lengths (sizing of the interchangeable cables refers to the total length achieved when the needle tips are attached to the cables), 4 black end caps, 1 cable connector and 2 metal tightening keys CONVENIENT CARRYING CASE: A flexible vinyl case with a snap shut closure neatl