Using these addi Turbo Circular Needles is easy. Just thread your yarn onto the needle and start knitting as you normally would. The nickel coating helps the yarn glide smoothly, so you can work on your project more quickly. When using, be aware of the non - standard sizing for some smaller needles as described in the product description. To maintain these needles, keep them clean and dry. You can gently wipe them with a soft cloth after use. Avoid exposing them to sharp objects that could scratch the coating. Store them in a safe place to prevent damage to the cords and tips. Enjoy your knitting with these amazing needles!