California Proposition 65: This product contains a chemical known to the State of California to cause cancer. California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.Ball Pein Hammer, Non-Sparking, Non-Magnetic, Corrosion Resistant, Head Weight (Oz.) 12, Fiberglass Handle, Overall Length (In.) 11, Not Tether Capable, Head Material High Strength Nickel Aluminum Bronze, Non-Sparking, Non-Magnetic, Corrosion-Resistant, Meets/Exceeds FM Approved