Twist Shorties by ChiaoGoo

This set includes: 10 sets of 2″ (5cm) solid stainless steel & 3″ (8cm) hollow stainless steel interchangeable tips from US4 – US8 (3.5 – 5mm).
secure tip sleeve, three [S] diameter blue X-Flex cables (5″/13cm, 6″/15cm & 8″/20cm), end stoppers, tightening keys, connectors, stitch markers and a mini needle gauge
All packaged in a blue, pocket-sized nylon fabric pouch.
The 2″ (5cm) tips have a tightening hole to ensure you get a secure connection.
Full size range: 3.5mm, 3.75mm, 4.00mm, 4.5mm, 5.00mm