I have no idea. They don't even make X-breakers anymore. Richard Chan, the guy who started the company, got REALLY sick. I heard through the grapevine that he passed away. Too bad. He was a really nice guy. Young guy too.
You COULD try the Samsara guys. I think they bought the company from him shortly before. (701)776-7240 Jim Stadum and Dave Doucette.