concrete cutting blades Define the knife

Define the knife in everyday life is just a tool to use the class collectively, the use of paper cutting, paper thin edge past we have used snapping folded cropping, also through the blade like inox flap disc‍ the crop tool to paper , and the many ways and tools have been replaced by a proprietary cutter tool, which is knife. The paper cutter for cutting through the metal, the metal edge is not sharp, but the use of such mechanical tight engagement when the metal sheet is cut force. 

Cutter marked scale, cutting different sizes of paper used, some equipped with vernier on the knife, cutting the time to measure the size convenient to use. 

Some called the name of knife cutter or cut cardboard, reinforced concrete cutting wheels‍ stationery in some domestic manufacturers have more than a sale of such goods, such as Jie Lisi, effective ...... and so on.