Knitting needles are an essential tool used in knitting. They measure from 2.0mm for delicate projects to 50mm for chunky knits. They are available in a wide range of materialsinclduing steel, plastic and wood, depending on your preference. Different knitting patterns sometimes ask for a specific type of knitting needle - cosy jumpers will need a pair of straight single-pointed needles, while double-pointed and circular knitting needles are perfect for hand-knitted socks and cosy winter hats. Get to grips with your needles so you can ace those knitting projects, with our needle buying guide.