1、These saw blades are often installed on electric reciprocating saws and are good replacement parts for easy installation and disassembly. 2、Enlarged chip flute design to reduce heat generated during cutting and easy and fast chip removal. 3、The saw blade is made of high‑quality alloy steel, with high hardness, wear resistance and long service life. 4、The kit contains 3 reciprocating saw blades of different sizes and shapes, which are suitable for different operations and have strong practicability. 5、Can be used to cut bricks, concrete, gypsum boards, lime sand bricks, lightweight concrete blocks and other materials Item Type: Saw Blade Material: Alloy steel Model: S1543HM / S1243HM / S2243HM Colour: Black Total Length: Approx. 240mm / 9.4in, 305mm / 12in, 455mm / 17.9in Tooth Thickness: Approx. 3.2mm / 0.1in Application: Lime sand brick 3 x Saw Blade