GE-ET-2RS, GE-XT-2RS, GEG-ET-2RS, GEG-XT-2RS, GEC-XT, GEC-XT-2RS, GEH-XT, GEH-XT-2RS, GEC-HT, and GEH-HT Series, Steel-on-PTFE Fabric Material, Single/Double Fracture, with/without Seals: Metric