This unique system makes tightening and unscrewing needles easy and requires no tools. With this system, needles will not loosen while knitting. The rotary cable join prevents twisting. This 7.125" x 5.25" x 1.25" package contains eleven pairs of bamboo knitting needle tips (appr. 4.75" length) in sizes 3.5mm, 3.75mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm and 9mm, three cables (20", 24" and 32"), one adapter, four stoppers, two tapestry needles, one gauge with built-in yarn cutter and one case.