Ingersoll Rand Chipping Hammers are the top choice for light demolition work - including concrete and masonry removal - where you need a hard-hitting, well balanced tool. A variety of sizes, capacities, and precision matched accesories allow you to match the best tools to the job. "D" SeriesConstruction Duty / 4 Bolt"A" SeriesIndustrial Duty"W" SeriesHeavy duty