Jump ring mass production

[Patstone]

Hi, I have a commission for a jumpring bracelet and need hundreds of jumprings so I would like to make them myself to save costs. I have watched a video on "You Tube" from Rio Grande, which has a tool for making jumprings en masse, I would love one of these tools but dont seem to be able to find one, not sure what its called either. They also use a Foredom pendant motor flexi shaft for cutting with a saw blade, which I have, but they also have a guard to fix on it, which I dont have but would like. Does anyone know where I can buy one of the jumpring blocks and the saw blade guard attachment. I have looked on the Foredom site, but cant find one there either. This is the link to it:- http://www.youtube.com/watch?v=ACPMQeepcFU
Thank you in advance
Pat