Y.S. STAR 4455 domestic machine buttonhole tool

The buttonhole tool is a tool for making buttonhole stitches using industrial sewing machines with a single needle. It works as an accessory with most traditional industrial sewing machines with a single needle such as Juki, Jacky, Sunfa, Jack, and Singer. You can adjust the number of stitches (the distance between stitches) that make up the buttonhole, as well as the length of the buttonhole opening. You may need to adjust the thread tension level on your machine. Capable of making holes from 7/16" to 1". High-quality Japanese manufacturing. Perfect for small workshops because it eliminates the need to own a buttonhole machine. Features: High-quality Japanese manufacturing, hole length from 7/16" to 1", you can adjust the number of stitches (the distance between stitches), allows you to use this accessory only on industrial sewing machines.