Compatible with Knitters Pride and Lykke cords, I am selling these because we don’t need 3 sets of interchangeable needles! There are 7 pairs of tips with sizes ranging from 3.5 mm to 6mm These are very lightly used, (some tips have never been used at all) . I am also including: - a cord connector - a 40 inch cord From the website: The Karbonz deluxe interchangeable circular needle set contains 7 pairs of needle tips and 2 cords, neatly packaged in a fabric and see-through vinyl case. The needles are lightweight carbon fibre, with a smooth finish that ensures no dragging. The light and flexible cords lay flat with no kink and the even join promises no snagging. Karbonz needles are ideal for all types of yarn. Set includes: 2 16 inch cords, 4 end caps. 2 cord keys and 1 set of size markers. For Enquiries, please text; # 250 858 9996