Hellermanntyton galvanised steel conduit with galvanised steel overbraid scsb hellermann tyton 166 34402 the hellermanntyton 166 34402 scsb20 is a metallic conduit with a metallic overbraid from the scsb series the conduit is highly flexible and has been manufactured from galvanised steel with a galvanised steel overbraid ideal for applications in industrial environments and high temperatures hellermanntyton 166 34402 scsb20 galvanised steel overbraid 169mm