Erico Cadweld GR1161G One Shot Ceramic disposable body #6-#8 Solid #8 Concentric Easy to use single-use ceramic mold eliminates need for mold and frame handle clamp Produces permanent connection that will not loosen or corrode NEC compliant cULus Listed. Rural Utilities Service (RUS) accepted. 8 Gauge Exothermic Welded Connection