AlBr Cutoff Hammers Home › CS Unitec Aluminum Bronze (AlBr) Alloy Non-Sparking Tools › AlBr Cutoff Hammers CS Unitec Non Sparking Cutoff Hammer 2.87 lbs Aluminum Bronze Ex105-1300ARegular Price: $148.97On Sale For: $135.43 CS Unitec Non Sparking Cutoff Hammer 4.41 lbs Aluminum Bronze Ex105-2000ARegular Price: $225.06On Sale For: $204.60 Aluminum bronze tools are high quality, non sparking, non magnetic, corrosion resistant tools. THey help fulfill demand in ATEX directive 94/9/EC for work in zones 1, 2, 21 and 22. This means that they are safe to use in an atmosphere where a mixture of air and flammable substances in the form of gas, vapor air mist or dust is likely to occur in normal operation occasionally. They have a hardness of 23-35 HRC, making them not quite as durable as CuBe tools. They also have low magnetism due to minimal ferrous components, making them appropriate for non-critical non-magnetic applications.