Quote Originally Posted by MoSurveyor View Post
Tell me about it! I've had dual sets of wrenches and sockets since the 80's and it's a PITA when it's 3/4" or 19 mm, since they're so close.
Same with 13mm and 1/2". 15mm and 5/8" are pretty close also. My lawnmower has all standard except one area that has metric. I can use the 13mm in place of the 1/2", but the 1/2" just won't quite squeeze onto the 13mm.