The Bosch EXPERT Hollow Brick S1543HM Blade is ideal for builders and bricklayers, cutting hollow bricks on site allows work to proceed rapidly and productively. Utilises Carbide Technology for a long cutting life. The thick gauge blade offers extra robustness and stability. It has a wide body for precise, straight cuts and large gullet teeth, that chew through the toughest materials fast. Fits all S-shank reciprocating saws.