4 ms·I think you mean brass. Edit: maybe not as the other commenter pointed out.by burger_moon 11y agoI think you mean brass. Edit: maybe not as the other commenter pointed out.steckerbrett 11y agoBrass or silver would do the job too.sosuke 11y agoSilver doorknobs would have a nasty problem of vanishing all the time.jff 11y agoCopper would too, just check out the wiring in any empty house in a county with meth problems.deleted 11y ago[deleted]