Includes needle tips in US Sizes: 4,5,6,7,8,9,10,10.5,11 (3.5, 3.75, 4, 4.5, 5, 5.5, 6, 6.5, 8mm) Included accessories: 2 cables each in both 24′ and 32′ lengths, 8 end caps and 2 cable keys 9′ x 5.5′ vinyl case with snap shut closure stores all included needles, cables, and accessories Flexible memory-free cables move with stitches and connect easily to tips for snag-free knitting Layers of laminated birch add strength while sharp tapered points make working stitches a breeze With hundreds of variations at your fingertips, you can swiftly create the perfect needle for any project with our interchangeable Options tips and cables! A great starter set for any knitter, beginner or experienced Rainbow wood needles have sharp, gradually tapered points with just the right amount of grip to make slick yarns manageable, all while giving you the versatility to tackle everything from hats to mittens, sweaters, and more. The Options Rainbow Wood Interchangeable Set includes knitting needles and cable lengths in our most popular sizes including US sizes 4,5,6,7,8,9,10,10.5 and 11 (3.50mm, 3.75mm, 4.00mm, 4.50mm, 5.00mm, 5.50mm, 6.00mm, 6.50mm, and 8mm) along with 2 cables each in both 24 and 32 lengths, 8 end caps and 2 cable keys. Simply attach each needle tip by turning and screwing on the desired cable length to create your perfect needle (the sizing of the Knit Picks interchangeable cables refer to the total length achieved when the needles tips are attached to the cables). Each needle tip measures 4 3/4′ long. The entire interchangeable set is stored in a vinyl pouch with 9 needle pockets to hold your tips and two 4 1/2′ pockets on the back of the snap case to conveniently store your cables.