Vise pad for holding 8mm threaded rod

If you build, e.g., Prusa Mendel printers, you'll spend a lot of time cutting and filing 8mm threaded rod. I created these vise pads to hold this size rod securely in a bench vise without slipping and without marring or damaging the threads on the rod.



Can optionally include small disc magnets, available [here](http://www.kjmagnetics.com/proddetail.asp?prod=D64)



to secure the pads to steel vise jaws when the vise is open (if you put them in right, they also hold pairs of the pads toge