Fiskars Pro IsoCore™ 16 oz Curved Claw Finishing Hammer (13.5") This rugged, powerful finishing hammer allows you to put the final touches on your project while helping to reduce muscle fatigue and joint pain. Premium steel is forged into a perfectly balanced design to make every swing your best. Our patented, industry-leading IsoCore(TM) Shock Control System absorbs strike shock and vibration, reducing the punishment your body takes, and a dual-layer handle captures any lingering vibration. A performance handle design fits your hand securely and comfortably, whether you're choking up for precision strikes or swinging with maximum force. A curved claw simplifies nail pulling, and strategic handle texturing helps improve grip while reducing blisters. This design has been tested to exceed U.S. standards for striking tool durability to withstand the toughest work environments.