Flat to within 0.004" for the center glue joint on my new Roubo white oak bench. The jointer did 95% of the work, but the last 5% is the hard part and takes the longest… #workbench #roubo #workshop #woodwork #woodworking #wood #whiteoak #jointer #handmade #handtools #madeinusa #madeinmichigan #shop http://ift.tt/1QhH6R9