... standards: BS,DIN,ANSI standards 1. Product: Concentric Reducing Sockets Beaded with Ribs2. Brand:TG3. Specification: Including Elbow, Tee,Cross, Socket ... Casting Iron6. Threads standards: BS,DIN,ANSI standards7. Appearance: Banded,Beaded,Plain,equal,reducing,with ribs or without ribs8. Finish: Hot ...