I have this style of juicer, albeit without the extra leverage (I can break it pretty handily, I've already broken 2 of the lemon sized squeezers.) These work pretty well for me.
Pro tip, for those who don't have one: the cut citrus goes in "upside down," i.e. the cut side goes down against the cup with the perforated holes, so that the rind gets inverted. This gives you maximum extraction with a minimum of effort. This is counter-intuitive to some people.