Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! Good home helper, the automatic needle threader is designed to thread in poor light or poor vision, it can help thread the thread through the needle eye conveniently. Reliable materials The threader is made of high quality plastic and metal, sturdy, durable, not easy to damage, long service life, can serve you for a long time. Size: Our sewing machine needle threader about 7.5 cm/ 3 inch in length and 1 cm/ 0.4 inch in diameter, small size does not take up space, easy and convenient to handle, easy to hold and operate, and one-handed operation is very labor-saving. Wide range of uses, the sewing machine needle threader is suitable for most household multifunctional sewing machines without automatic threading function, while some old sewing machines can also use it.