Item Type: LED Threader Material: Plastic Product Specification: 1 Piece Product Use: Household Scope of Application: Most Scenarios Battery Type: Button Battery (Ship with Inbuilt Battery) Battery Model: LR41 Battery Capacity: 30mAh Number of Batteries: 3 Size: Approx. 140 x 20mm / 5.5 x 0.8in Package List 1 x LED Threader 1Plastic Material: Our threader handle is made of harmless plastic, user friendly, comfortable to use and easy to grip. 2Elasticity: The top stainless steel parallel threads are soft and stretchy and can easily pass through most types of pinholes. 3Easy Sewing: You can sew easily with this illuminated sewing tool to make sewing easier, it helps to thread different size needles and beads. 4Scope of Application: The threader with light is suitable for all kinds of household multi functional sewing machines that do not automatically thread, and some old fashioned sewing machines can also be used for embroidery thread. 5Perfect Gift: Needle threaders are great gifts for mothers, women, family and friends who love to sew, especially for those with poor sight.