Long Life Cutting Hollow Brick Exceptional durability is built in with Bosch Carbide Technology. Thick gauge blade offers extra robustness and stability. Fits all S-shank reciprocating saws Exceptional durability is built in with Bosch Carbide Technology Thick gauge blade offers extra robustness and stability Wide body for precise, straight cuts Large gullet teeth chew through the toughest materials fast For builders and bricklayers, cutting hollow bricks on site allows work to proceed rapidly and productively. However, most reciprocating saw blades couldnt last long in such abrasive mineral materials. With a specialist carbide blade like the EXPERT Hollow Brick, bricklayers can cut hollow brick to size conveniently, and without destroying their blades.