This Singer Free Motion/Darning Foot is made with high impact heavy duty materials and gives better visibility around the foot when free motion quilting. Compatible with all Singer sewing machines, this sewing machine foot will make a great addition to your collection. The closed toe helps prevent threads or fabrics from getting stuck in the foot, especially when stitching on lace-type fabrics. It allows you to smoothly work with a broader range of fabrics, perfect for adding beautiful details to your designs. It is extra durable for long term use. This is compatible with the following Singer sewing machines:- M2105, Confidence 7640, Patchwork Plus C5985Q and Heavy Duty 4423