Item Type: Interchangeable Circular Knitting Needle Set Material: Stainless Steel, Cloth, Plastic Specifications: One Set Product Use: Household, Weaving, Etc. Scope of Application: Most Age Eligible Persons Rings Needle Size: (Approx. 2.75mm / 0.1in, Approx. 3.25mm / 0.13in, Approx. 3.5mm / 0.14in, Approx. 3.75mm / 0.15in, Approx. 4.0mm / 0.16in, Approx. 4.5mm / 0.18in, Approx. 5.0mm /0.20in)x2 Package List 1 x Double Ended Crochet Hook 1 x Double Sided Graduated Ruler 3 x Circular Needle Yellow Thread 3 x Sewing Needle 2 x Circular Needle Connector 2 x T Pins 14 x Detachable Circular Pins 1 x Removable Circular Needle Storage Bag 1 x Anti Slip Gasket 1 x English User Manual 1Lock Design: Double ended crochet and ruler storage area with intimate small tool bag design, stick type lock design, convenient and not easy to break, more secure storage, foldable, compact and easy to carry. 2Multi Specification Rings Needles: 7 sets of detachable rings needles meet your more knitting needs, and can knit various types of works to enrich life. 3Double Ended Crochet Design: Humanized design, double ended crochet can have one more choice, fashionable colors, can be pleasing to the eye. 4Cute Appearance: The color is good looking, the appearance is also cute, and there are many kinds of matching accessories. It is a good helper for knitting sweaters and scarves. A must have set of high end needles 5Perfect Gift: Knitting needles are thoughtful gifts for moms, aunts, sisters, daughters, friends, grandmothers and all crochet lovers.