I've got the grace sure start regulator on a Janome 1600pqc and a grace pro frame . I'm pleased with it, it is frustrating only having a 5" quilting space. I've got a Bernina 830 that has a larger throat and the Bernina regulator but the diva is so heavy and she is a diva from time to time so I haven't put it in the frame . So I'll stick with the 1600p. ...for now !