ChiaoGoo 4" Twist Interchangeable Needle Set

The ChiaoGoo 4" Twist Interchangeable Needle Set. Complete Set: contains a case, 13 needle tips in US 2 (2.75mm), US 3 (3.25mm), US 4 (3.55mm) , US 5 (3.75mm), US 6(4mm), US 7 (4.5mm), US 8 (5mm), US 9 (5.5mm), US 10 (6mm), US 10.5 (6.5mm), US 11 (8mm), US 13 (9mm), and US 15 (10mm). Each needle tip measures 4" (13mm). Two sets of cords, one set for the needles with the S screws, and one set for those with L screws. Three cords, one each measuring 'approximately' 8″ (20 cm), 14″ (35 cm), and 22″ (55 cm), to make 16", 22" and 30" needles. Two S and L end caps, one S and L cord connector for making even longer cords, two cord keys, a ruler/needle sizer, and a collection of stitch markers.