●1. High grip strength, impact resistance and strong, clear speed advantage when cutting a large edge and processing. ●2. To maintain tight tolerances and unmatched performance. ●3. Suitable for a variety of processing environments, even in very poor environments for processing cast iron. ●4. Quick and easy clamping and replacement, only a wrench required to complete the replacement of blade and washer. ●5. Good rigidity and long service life, reducing the usage cost of the tool.