Applicable Type: These machine needle threaders are suitable for all kinds of household sewing machines, which can help you change the thread quickly, they are also suitable for some old sewing machines Imported How to use---For threading, firstly, insert the thread into the V- of threader; Secondly, place the V- over the needle just above the needle eye; Thirdly, slide the threader down the needle while pushing it gently until the threader pin goes into the needle eye. These automatic needle threader is made of reliable highquality materials, safe and durable, not easy to break, and can serve you for a time. Fit for all household multifunctional sewing machines, sewing machines without automatic threading function and some oldfashioned sewing machines.