Our professional straight edge set can meet various work demands and help you achieve perfectly flat surfaces flexibly based on actual needs. Made of high-quality anodized aluminum with a powder-coated finish, it features excellent rigidity yet remains lightweight for comfortable long-time holding, while being rust-resistant and wear-resistant to ensure reliable use in workshops, construction sites, and home environments. The wide base design allows the straight edge to stand upright, freeing your hands for tool adjustments and improving work efficiency, and the built-in circular hanging holes enable easy and space-saving storage, combining professionalism with great convenience. Precisely processed to deliver accurate measurement of flatness and straightness, it ensures stable and reliable performance in woodworking, machining, interior finishing, machine tool calibration, renovation inspections, and DIY projects; it can check the flatness of panels and countertops, act as a straight edge guide, and solve the straightness verification needs of model parts and machine tool worktables, making it an essential and versatile tool for both professionals and hobbyists.