The new Denny Tools non-sparking tool range has been designed for use in explosive or flammable atmospheres, where regular tools may create potentially dangerous sparks when in use. Manufactured from a special Beryllium Copper (Be-Cu) , these ‘explosion proof’, non-magnetic and corrosion resistant tools are suitable for use in a wide range of industries such as mining, petrol and gas extraction, petrochemical refineries, energy production and transportation, manufacture of explosives plus many more. Hardness Brinell 283 – 365 Breaking 1117N/m㎡ - 1326N/m㎡ Elasticity Limit 840 - 880.