Based on this product's specifications, here are some alternatives and similar models
Heller replacement blade Heller Ostrze Klinga Steinbit – spare cutting blade
Summary description:
Replacement cutting blade Heller Ostrze Klinga Steinbit by Heller. A spare blade designed for compatible Heller cutting tools and accessories, intended to restore sharpness and cutting performance. Suitable for general-purpose cutting tasks where the original blade is worn or damaged. Useful for maintenance, parts replacement and prolonging tool service life.