Small solid wire used for rapid, economic placement and retrieval of small equipment in a well. Comes in several sizes; 0.072”, 0.082”, 0.092”, 0.108”, 0.125”, etc
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}