From: null@void.com   
      
   Thanks everyone for all tips.   
      
   One is, given saw cutting long lengths of "box" is accurate transversely   
   but less so "vertically" due to spring in section and distance outrigger   
   is from saw, position "flash" at "side" as sawn so have "square" end   
   as do "measure along" direction AND drill can go through both sides of   
   "box" on drill-press, not risking hitting "flash" on opposite side.   
      
   I will look if adjustable square with a wide "foot" is available.  Would   
   need a "foot" about 2inches / 50mm wide for when doing big Rectangular   
   Hollow Sections with big corner radii.   
      
   Bigger overall point - thanks a lot everyone.   
      
   Regards,   
   Rich S   
      
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