Description It is suitable for all kinds of household multi- functional sewing machines without automatic threading, meanwhile, some old ewing machines an also use it. Features Color: Blue. Material: and metal. Size: Approx. 7* 1* 1cm (* W* ). Package Including 3* Sewing Inserter 1. Material: The High-Efficiency Automatic Needle Threader is a dual function threader that inserts the needle into the sewing machine and into the needle. 2. Easy to use: The sewing needle is in common size, easy and convenient for handling. 3. Function: It helps to easily pass through the eye of the needle. Especially for poor light or dim light. 4. conveniently, in case of poor eyes or poor lighting; For inserting, it holds needles firmly to prevent falling while changing needles. 5. Sewing machine needle threader and inserter can make the thread easier to pass through the pinhole, and the bobbin holder clamp can fix the bobbin to prevent the unraveling or tangling of thread on bobbin while working or stopping.