These twin needles, made of iron,plastic material, which is practical and durable. Each needle has pinholes that can handle two of the same or two different colors of threads. Universal for many household sewing machines. It will be a good choice for you. Features -Color:Assorted Color -Material:Iron,plastic -Size:3.70X1.00X0.30cm/1.45X0.39X0.12in - Manufactured with iron,plastic material, with excellent durability and practicality. - This product is equipped with presser, which can give you more professional sewing experience. - Perfect for many kinds of sewing projects and hobbies, including quilting, sewing and fabric craft. - Not easy to bend, suitable for most kinds of home sewing machines. - Comes with sufficient quantity needles, so it can meet your daily needs well. Package list: 2 x Pressers 6 x