Features: High grip strength, impact resistance and strong, clear speed advantage in cutting off a large margin and processing. To maintain tight tolerances unmatched performance. Practical and a variety of processing environments, even in very dirty environments, such as cast iron also has good features. User clamping and convenient way to replace, only a wrench to complete the replacement of the cutter blade and pad. Accessories steel is good, long life, reducing the user cost of the tool. Suitable for simple steel processing.