You might want to research how they handle the depth stop.
My grizz has a rotating knob by the actuating wheel. Not sure it's the best way. I've seen otheres that have a threaded bar on the opposite side that you use a nut to adjust the depth stop. I don't have experience with it, but I think I'd probably prefer that. Maybe some one else can chime in on what depth stop they prefer.
Mine works fine, but it's not the easiest to 'micro adjust'....
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