This needle thread helps thread the sewing machine needle more easily. just place the thread from right to left through the slit in the thread, slide the threader down the needle until the pin pushes the thread through the needle eye. There is a tiny hole on the opposite end of the thread, it is for holding the sewing machine needle while you easily insert it into the machine. Delivery Quantity: 10pcs Package Contents: Only the above package contents, excluding other products. Size: 7.2cm long (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: white + blue (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Products from BAZHOU's store