Using these addi Turbo Circular Needles is easy. Just thread your yarn through the needle and start knitting as you normally would. The smooth nickel coating helps the yarn move freely, so you can work faster. When it comes to care, keep the needles dry and away from sharp objects to avoid scratching the coating. After use, store them in a safe place, like a knitting case. Remember, the smaller sizes have non - standard US sizing, so double - check the size you need. And be gentle with the plastic tips on the US 36 and US 50 needles to prevent breakage.