Shortie combo packs contain one 2" (5cm) and one 3" (8cm) set of tips. As well as two cables allowing you to make 9" (23cm) - 12" (31cm) circulars.
Tip sizes avaliable - US000 - 3 (1.5 - 5mm)
They are solid,
1.5mm - 3.25mm tips are a mini size
3.5mm - 5mm tips are a small size that come with the new X-Flex blue cable