Material: durable hard metal. The All-Purpose Foot is used for general sewing on most types of fabric. The All-Purpose Foot may also be used for elastic insertion and basic mending The foot’s wide needle slot allows for sewing of stitches up to 7mm in width. Short come with a quick-clicking system fits easily onto the bracket on the machine, so you can use and change any pressure on foot without using a screwdriver. For use with low-shank sewing machines, including brands Babylock, Bernina, Brother, Elna, Euro-Pro, Husqvarna Viking, Janome, Juki, Kenmore, Necchi, New Home, Pfaff, Simplicity, White