This 11 (20 with tips) flexible cord fits Knitter's Pride needles, including Karbonz, Platina, Platina Cubics, Cubics, Royale, and Dreamz. You are
Knitter's Pride Mindful Collection Swivel Interchangeable Cables at WEBS
Karbonz Knitting Needles
Knitters Pride Cords
Knitters Pride Dreamz
Eucalan No-rinse Wool Wash and Delicates Wash, Wrapture Jasmine 3.3 Oz
DyeabolicalYarns - Ireland
Knitters Pride Nova Cubics Platina Interchangeable Deluxe Set – Wool and Company
Magic Loop Circular Knitting Needles
Bamboo Connectors
Knitter's Pride Karbonz Interchangeable Deluxe Set – Wool and Company
Knitters Pride Cubic
Knitters Pride Cubic
Bamboo Connectors
Highlighter Tape Removable Tape for Marking Pattern Lines, Knitting Charts, Project Notes, and Bullet Journals - Canada