Grand Master and J H Williams 6" No 106 bridge clamps, both can handle material from 1 3/4" to 6". No bends, welds, or breaks. Both for $45 obo shipped.
I have an older Ridgid 45cpn vise that has t style knurled jaws in it currently. Is there a method for getting the pins underneath out? Can smooth t style jaws be purchased anywhere?