Exquisite design: Each double needle is equipped with 2 stitches. Two of the same needle can be sewn with our needle. The most commonly used is two parallel straight needles.Sewing machines that support dual -line sutures can also be used for other pattern stitching.Two different colors of lines can make the sewing effect more beautiful. Packing list: There are 9 double stitches, 3 sizes 2/90, 3/90, 4/90, 3/90, 3 different pressure feet, 9 grooves fine pleated feet, jagged straight needle pressure feetAnd adjustable pressure feet, suitable for home sewing machines.The blue area clearly indicates the size of the needle, and is equipped with small plastic boxes for easy collection and storage. [Simple use] Two stitches can be used at the same time.And compatible with most types of sewing machines, it is easy to sewn.