KnitUK Interchangeable Knitting Needles. They are versatile needles that you can use as circular needles or straight knitting needles. Available at KnitUK your webshop in UK.
Large Needle Point Protectors, Knitpro
KnitPro Circular Needle Protectors - Kits Corner
KnitPro Fixed Circular Knitting Needles - Zing - 150cm (6.00mm) - Wool Warehouse - Buy Yarn, Wool, Needles & Other Knitting Supplies Online!
KnitPro Circular Needle Protectors
Knit Pro Circular Needle Protectors - Viridian Yarn
Basix Circular Needle, Knitting Needles
Zing Interchangeable Circular Needle Set - Melodies of Life, Knitting Needles
Knit Pro Glory Interchangeable Needle Case
Knitpro Needle Point Protectors (S/L) – Skapie
KnitPro Circular Needle Protectors - Woolstack
Knitpro Circular Needle Protectors – Skapie