UNIQUE CLEAT SLOT - Midwest's riveting hammer features an optimized cleat-slot design, streamlining duct cleat installation by enabling quick and precise bending of cleat tabs with minimal motion. PRECISION STRIKING - The tapered peen design and beveled striking face of this tinner's hammer are engineered to deliver optimal striking, and minimize the risk of chipping during off-center hits. DURABLE BUILD - Crafted from a single piece of steel, this duct hammer is heat-treated to enhances its strength, making it a reliable choice for HVAC and sheet metal projects. SLIP RESISTANT GRIP - Work comfortably and securely thanks to the slip-resistant molded grip of this square hammer, built to reduce fatigue during extended use. MADE IN THE USA - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.