Specification: Item Type: Automatic Sewing Needle Threader. Material: Plastic Product specification: 1 set Product use: Household Scope of application: most scenarios Product size: approx. 7.3 x 5 cm / 2.9 x 2.0 inch (manual measurement, slight error may exist) Package List: 1 x Automatic Sewing Needle Threader 10 x Needle 1 Storage Box. Note: 1. Place the needle with the large or small eye into the right slot. The SMALL HOLE is for the small eye needle and the LARGE HOLE is for the large eye needle. 2. When you push the thread, the thread may be pulled back when the thread is pushed. Please always pull the wire a little longer after pushing it, then reset the push button. 3. Although the needle tube cover has been reinforced and the blade is placed in the concave place, children under 7 years old are still prohibited from using this product. Minors over 7 years old should use this product under the supervision and advice of an adult.