High-quality Materials This sewing machine needle is made of high-quality metal and plastic, safe and respectful of the environment, long service life, can serve the sewing machine workers well, protect against eye damage, can be used for a long time. Easy to UseJust place the thread into the needle thread slot, slide the needle down and push gently until the needle comes out. Enter the eye of the needle and put the slit on the needle over the needle eye to fix it,which is convenient and easy to use, saving time. Wide Range of ApplicationsThe sewing machine needle is suitable for all kinds of multi-functional home wireless sewing machines, as well as overlock machines, tension sewing machines and some old sewing machines. Package Contents and SizeThe package contains two needle threader tool, blue and white,which is a common size suitable for most sewing machines, and with instructions so that it is easier for you to understand how to use and very useful. Excellent ServiceThe package contains two blue and white machine needle threaders, with instructions, so it is easier how to use it, it is very helpful, if you have any questions, please contact us. We will try our best to solve the problem for you. If you are not satisfied with our product, we can refund or replace it.