Glad it worked out for you, without too much hassle. You are finished now, but just FYI and for others with same problem, if you want to remove the step unit, the best way is to sandblast them down to bare metal, prime, paint, and you WILL have as good as factory.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.