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