We are looking for seamless tubes specification as follows Tube OD: 19.5mm Tube ID: 12.2mm Length: 2989 mm Quantity: 20 tons Material: GB #45 steel (Equivalence to EN 8D ) Hardness: HRB 85 min Packaging: Bundled package Tube end: Plain Rust Preventive Oil: Applied Drawing on request Awaiting your return reply.