Whats stronger, a Strange Pro Iron or a Mark Williams center section ??
http://www.strangeengineering.net/catalog/index.html
or
http://www.markwilliams.com/pdfcat/pg28.pdf
http://www.strangeengineering.net/catalog/index.html
or
http://www.markwilliams.com/pdfcat/pg28.pdf