Originally Posted by
DIYMeister
New guy question here. I've been shaving with a double-duck I bought about 30 years ago. I've used it on and off, mostly off, but I'm wondering how I tell what size it is? I've read this and other threads and you all talk about 5/8, 6/3, etc. What does that mean? What do I measure on my razor to match it up with one of those sizes? FYI, it's hollow ground, and square on the end. I'm sure it's not as sharp as it should be, but I'm able to shave fine with it. Now sure how good it could be as I've never had it professionally sharpened. Being a rabid do-it-myself-er...
DIYMeister