You may not realize it, but virtually all the reinforcing bar currently produced in the United States is a “soft metric” bar. This not-so-well-known fact conjures up several important questions: Is there a difference in size between a soft metric rebar and an inch-pound rebar? What about the design strengths of reinforcing steel with soft metric and inch-pound units of measure? More importantly, do your employees understand that there is no physical difference between a #3 inch-pound rebar and a #10 soft metric rebar?