Quote Originally Posted by Bill Houghton View Post
This web site is probably for American router planes, but the link below might help. Yes, if the handles are plastic, it's definitely late construction. And my American No. 71, new enough for a fence, used a modern standard thread pitch - every once in a while, Stanley used a now-standard pitch for some unknowable reason.

Stanley No. 71 Router Type Study Page

I had a look at that page and it seems that mine is a type 15 made some time after 1974 and before 1993. I would assume with wooden handles it would be somewhere in the middle.

Rick