The Mitutoyo 178-391 Standard Detector is a high-quality tool designed for precision measurements in metalworking and manufacturing. With a resolution of 10µm and a measuring angle of 90°, this detector provides accurate results for intricate inspections. Crafted by the reputable brand Mitutoyo, known for their precision instruments, this detector is a reliable choice for professionals in CNC machining and metalworking industries looking to ensure quality control in their work.