Lincoln Electric Excalibur 7018 ED033871 Stick Electrode 14" – 50 lb Package Size:5 32 in, 50 lb Easy Open Can (ED028282) SuperArc® Orbital TIG L 56 N Package Size:1 16 in · 10 lb Tube SuperArc® Orbital TIG L 56 N from Lincoln Electric is a PLW product which has been treated to minimize weld defects that can be seen in the use of MIG wires for the automaticTIG process The Precision TIG 275 embodies Lincoln's commitment to creating systems that balance operational simplicity with advanced customization capabilities Excalibur 7018 MR (H4R) provides extra moisture pickup margin but rebaking is still required for code work Is this the same electrode as the parent Excalibur 7018 MR grade