From vendor:
"The Stelo Interchangeable Knitting Needle Sets are designed to provide a smooth and enjoyable crafting experience. Featuring high-quality stainless steel tips, these needles ensure durability and effortless knitting. Their sleek design glides easily through any yarn, reducing hand fatigue and letting you focus on the rhythm of your craft. Complementing the tips are flexible, stainless steel swivel cables that move seamlessly with your stitches for strength and fluidity.

Each set is housed in an attractive vegan-leather case, combining practicality with elegance. Designed to keep your needles and accessories secure and organized, these cases are perfect for both travel and storage.

There are 2 sets (5" regular set or 4" Special set) 7 pairs of needle tips, 4 cables, and accessories.

5 inch set includes: 

• MM Sizes: 3.0, 3.25, 3.5, 3.75, 4.0, 4.5 & 5.0mm
• US Sizes: 2.5, 3, 4, 5, 6, 7 & 8
• Cables: 3 Stainless Steel Swivel Cables to make needle lengths of 60cm (24"), 80cm (32") & 100cm (40")

 4 inch set includes:

• Set of 7 pairs of Interchangeable Tips 
• MM Sizes: 3.0, 3.25, 3.5, 3.75, 4.0, 4.5 & 5.0mm
• US Sizes: 2.5, 3, 4, 5, 6, 7 & 8
• Cables: 3 Stainless Steel Swivel Cables to make needle lengths of 40cm (16") - 2 Nos. & 50cm (20")

Both sets include: 

• Accessories: 4 Silver Aluminum End Caps, 2 Cable Keys, 10 Metal Locking Stitch Markers, 10 Metal Round Stitch Markers in grey color , 1 Silver color Finishing Needle of 2.25mm