It's always helpful to have extra cords at the ready! Each cord comes with 2 stoppers and a key to tighten the needle tips. 16"-20" cords can be made with a 3.5" needle tips, while 24"-6" can be made with 5" needle tips. Interchangeable needle tips are sold separately, you can find them here.
Lykke Interchangeable Cord 20-inch (50cm) Black for 3.5-inch Interchangeable Circular Knitting Needle Tips Bundle with Artsiga Crafts Stitch Markers
LYKKE Crafts - Make Happy! - Knitting Needles and other Crafting Tools
Lykke Needles
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Lykke Interchangeable Cords – The Yarn Club, Inc
LYKKE Crafts - Make Happy! - Knitting Needles and other Crafting Tools
Lykke Interchangeable Cords 12''/30 cm to make 50 cm
LYKKE Interchangeable Needle Cord Connectors – The Needle Store
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Lykke Clear Swivel Interchangeble Cords – EWE fine fiber goods
LYKKE Crafts - Make Happy! - Knitting Needles and other Crafting Tools
LYKKE Crafts - Make Happy! - Knitting Needles and other Crafting Tools
2022 Holiday Gift Guide – Page 2 – EWE fine fiber goods
Knitting Needles – Fiber Circle Studio