Shorties with X-Flex Blue Cables (Extra Flexible)! This set includes 10 pairs of 2″ (5cm) and 3″ (8cm) surgical-grade stainless steel tips in sizes US 4 (3.5mm) to US 8 (5mm). Tips are stored in a secure tip sleeve. These tips have a Small [S] diameter join. Also included are three Small [S] red cables (5″ (13cm), 6″ (15cm), and 8″ (20cm)), end stoppers, tightening keys, connectors, stitch markers, and a needle gauge. All in a pocket-sized blue nylon fabric pouch. The tips have a tightening hole to ensure you get a secure connection.