Just been summoned to make some furniture using galvanised conduit (bathroom towel shelves) - have ordered some fittings and pipes; but will need to thread some pipe ends !! the pipe conduit is sold in 20mm 25mm and larger but the dies are in 3/4" 1. 1/2" . Question : which die set do I need for 20 and 25mm conduit. Any help appreciated - Now on the look out for pipe vice, bender set n dies.