This walking foot set includes two regular feet, model numbers 240148 and 240149, designed for use with various sewing machines. The outer foot measures 12mm in width and 25mm in length, while the inner foot is 4mm wide and 15mm long. These feet are suitable for machines such as Singer 111W, 211W, 211G, 153W, Juki LS-400, LU-401, and others. Please note, these feet are not compatible with Pfaff, Adler, or Durkoff machines. The set is ideal for sewing applications requiring even fabric feeding, providing smooth operation for consistent stitching. Designed as walking regular feet, they help manage multiple layers of fabric, making them suitable for quilting, upholstery, and heavy-duty sewing projects. The precise dimensions and compatibility make these feet a versatile addition to your sewing toolkit, ensuring reliable performance across compatible machines.