Energy Conserving Down-The-Hole Hammers are available in valveless type construction and can function in harsh conditions. These Down-The-Hole Hammers conserve energy and ensure re-assembly and dis-assembly operations. These Down-The-Hole Hammers come in three models with different drilling ranges like 165 mm - 178mm, 205 mm - 225mm and 215 mm - 300mm. Energy Conserving Down-The-Hole Hammers are made from quality grade material to ensure fine finish and long lasting usage.