With ChiaoGoo Blue Twist Shorties Interchangeable set you can make 9″ (23 cm) through 14″ (36 cm) circulars.
Set includes 5 sizes in both 2″ (5cm) solid stainless steel & 3″ (8cm) hollow stainless steel interchangeable tips. Sizes included are: 3.5mm, 3.75mm, 4mm, 4.5mm and 5mm
Also included is a 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 in a blue, pocket-sized nylon fabric pouch. The 2″ (5cm) tips have a tightening hole to ensure you get a secure connection.