A Notch Cutter is a precision instrument used to create notches in test specimens for impact resistance testing, such as Charpy and Izod tests. These notches help concentrate stress at a specific point, ensuring accurate and consistent fracture analysis. By standardizing notch dimensions, the cutter enhances the reliability of impact strength measurements. It is widely used in material testing laboratories to evaluate the toughness of plastics, metals, and composites, helping manufacturers ensure product durability and compliance with international testing standards.