04-11-2015, 07:15 PM
(04-11-2015, 07:08 PM)Vinny Wrote: I have the 103-136 which looks identical but has the lock. ....
That's the one I'm thinking of replacing mine with. The difference is the friction thimble versus the plain thimble. The plain thimble has very little friction to prevent it from turning so it's easy to get a false reading if you aren't careful.
Ed