Masonry Recprocating Saw Blade S1543HM Masonry Cutting Blade. This Reciprocating Sabre Saw Blade is a hard metal (HM), long-life, straight-cut, tungsten carbide tip (TCT) blade that is designed for making fast, coarse cuts in large brick, red brick, fibre cement, aerated concrete and proton up to 150mm thick. The reciprocating blade is designed to reduce the amount of dust that is created and has weight optimisation for lower vibration levels. Total length 240mm Blade thickness 1.5mm Teeth thickness 2.5mm 2 teeth per inch Shank 1/2" universal S1243HM Masonry Cutting Blade. This Reciprocating Sabre Saw Blade is a hard metal (HM), long-life, straight-cut, tungsten carbide tip (TCT) blade that is designed for making fast, co.