[Professional Reciprocating Saw Blades] The precision grinding process makes the reciprocating saw blade very sharp. It can easily cut and separate building materials such as brick, gypsum board, aerated concrete, pumice, Ytong, Poroton and other building material derivatives with a thickness of less than 41 cm, greatly improving work efficiency. [High Hardness Saw Blade]: The saw body is made of carbon steel and the saw teeth are made of high-quality alloys. The high hardness is not easy to break. Thanks to the generous blade thickness and extra-large tooth pitch. The brick sabre saw blades also have a long service life and cut quickly, roughly, and straight. [General Reciprocating Saw Blades]: Reciprocating saws and general 2TPI reciprocating saws, including common cordless reciprocating saws and tiger saws; like Bosch, Metabo, Makita, Einhell, Flex, Festool, Milwaukee, Black & Decker, Skil, Hilti [Wide Applications] Suitable for cutting: aerated concrete, red brick, fiber cement