1. Powerful function: This threading device is designed for threading in case of poor light or vision. You will find that the thread is easy to pass through the eye of the needle. When inserting the needle, it holds the needle in place to prevent it from falling to the ground when changing the needle. 2. Applicable type: This threading device is suitable for all kinds of household sewing machines, which can help you change thread quickly. They are also suitable for ordinary needles or some old sewing machines. 3. Good helper: the threading tool will be a good helper for your sewing work. It can help you to thread automatically in case of insufficient light and prevent the loss of vision. It can fix the needle stably for easy insertion and removal from the machine, which is very suitable for threading. 4. Reliable material: the needle inserting device of this machine is made of high-quality plastic and metal, which is firm, wear-resistant, durable and not easy to break, ensuring long-term use. 5. Appropriate size: the length of each needle piercing tool is about 3.1cm, and the appropriate size is easy to operate. It's easy to put it in your sewing bag. Operation mode: point the needle to the fish mouth, slide into the needle eye, hook the hook on the fish mouth, open the fish mouth, and be accomplished.