On Thu, 22 Oct 2015 14:12:53 -0400, "Percival P. Cassidy"
wrote:

Suppose I buy metric socket set. Will I have the
same problem workign on English size fasteners?

Do I need to wrench sets in each vehicle?

Yes: until the USA catches up with the rest of the world, you'll need both.

Rednecks hate foreign measurements. Give me a good ole American made
wrench.