Topaz 2” Malleable Iron, Rigid Threaded Type T Conduit Body, Item #T6M, Lot of 1. Topaz’s Malleable Iron Rigid Threaded type T Conduit Body is constructed to offer unmatched high tensile strength and ductility. Strong and resilient malleable iron fabrication is resistant to damage from corrosion and impact. T type conduit bodies allow 3-way inline access in conduit systems, promote easy splicing and pulling and can correct and change direction of conduit runs.