Function:This needle threader is designed to thread in cases of poor light or vision,and you will find the thread passes easily through the eye of the needle;When inserting a needle,it holds the needle in place,preventing it from falling to the ground when changing the needle. Great Helper:The needle threader inserter will be a great helper in your sewing work, which helps you thread automatically under poor light and prevents vision loss as well. Material:These machine needle inserters are made of quality plastic and metal,sturdy,wear resistant and durable. Applications:The sewing machine needle threader is suitable for most household multi functional sewing machines without automatic threading function and some other old sewing machines. Package Includes:4 packs of sewing machine needle threaders. Colour: blue, white Size: 7.5cm Notes: Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support!