The StitchMaster Precision Sewing Guide Set includes two edge guides with mounting screws, designed to assist in sewing straight, even seams along edges. Each guide features a 2-1/2" edge and is compatible with most industrial and home sewing machines that have attachment mounting holes in the machine bed. The guides are simple in design, providing a straightforward solution for achieving consistent seam allowances. The set comes with two thumb screws for secure attachment, ensuring stability during sewing. Ideal for those seeking an easy-to-use, reliable edge guide, this set helps improve sewing accuracy and finish quality. Suitable for various sewing projects, it offers a practical tool for both beginner and experienced sewists. Note that industrial and home machines must have the necessary mounting holes to use these guides effectively.