23 March 2012
Jim Showalter corrected misleading wording.
2 August 2008
David E. Natick pointed out an error in describing the step from 12d to 16d.
17 January 2006
Dave Cooper called attention to an error in the sentence describing the increments between commercially available nails.
Copyright © 2006-2012 Sizes, Inc. All rights reserved.
Last revised: 23 March 2012.