Daman-Non Sparking Open and Ring Spanners As per norms and safety audits prescribed by Oil Industry Safety Directorate (OISD), under the aegis of Ministry of Petroleum and Natural Gas, Government of India, all industries using Petroleum , LPG, PNG, LNG, other Gas, other inflammable chemicals and materials, must use non sparking tools. Use of Non sparking Spanners reduce risk inherent risk of fire within the industry. Daman International is one of the fastest growing Suppliers and Exporters of Non Sparking Open and Ring Spanners of all sizes. We have been offering DAMAN brand products to petroleum, chemical & other industries in whole of India and rest of the world since 2002.