Expert Hollow Brick with outstanding durability in hollow bricks. Thicker blade for additional robustness and stability. Craftsmen and masons can speed up their work and increase productivity by cutting hollow bricks on-site. However, most reciprocating saw blades could not withstand such abrasive mineral materials for long. With a special carbide blade like the Expert Hollow Brick, masons can comfortably cut hollow bricks without damaging their blades. The Bosch Expert Hollow Brick reciprocating saw blade quickly becomes a preferred tool among masons. Cut your stones with Bosch Carbide Technology. Exceptional lifespan thanks to Bosch Carbide Technology.