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My brother has our grandfathers DIAMOND Diamalloy 24” adjustable wrench. He’s looking for a possible date code (is there one for this wrench?)

My sincere apologies! I can’t blame it on my eyes though - just fat fingers.

I originally/erroneously indicated it was a “5” but it is a “4”

Ok. Let’s clear this up… The first pic is the E*4*3. So, April 1943 The second pic — looks to me like a “4” B*11*4 is a November 1944 *** Anyone else see a “5” anywhere in the two pics?

My wrench Yep, a keeper for sure. Mine is 1974, bought right off the Snap-On truck. *** Our grandfather handed down his 24” DIAMOND Crescent-Style wrench to my Dad, then it came to my brother. He wants to chrome-plate it.., My brother and I ended up with many of our Dad’s PROTO, Bonney...

I wonder if these wrenches ever went overseas… *** the 1944 (B*11*5) looks much better than the 1943… probably not but the general history is nice to know… HB

Thanks for reply. I knew there was some question about the letter. I guessed correctly that first number was the month. I think I knew second number was year.

Oops! I meant B*11*5

Thanks. On the ‘43 I noticed an “A” near the adjustment screw. I cannot tell if it is a forge mark or private stamp. I also got another JPD 8” wrench - with B*11*5 on it. Is it a 1944? Better condition than the 1943. Also has “C Mellinger” ID Please advise what the L—N-N codes mean?

Wish I still had my original Blue-Points (4,6,8 and the 12”).

I think I’ll pass on asking what the heck a “Private’s Sticky” is…

4 years, and you know all this detail…

Very nice. How long have you been doing tool collecting?

Thank you very much. I have another JTD coming so up until now I’ve just been reading (and re-reading) the histories of the many brands of adjustable wrenches… hate to say it, but it has been a pleasure doing so. As I understand it, JTD was purchased by Plomb, which became PROTO (the brand I...

Trying to use your table - no luck. Just picked up 8” JPD and it has “M-8-3” MFG year is ?

Thank you. Back at you.

Thanks again. I’m really getting to enjoy the new hobby of researching the history of tools I grew up with using with my Dad and younger brothers.

Thank you for your help. any idea when CRESCENT changed to the depressed panels (channels) to go all the way to the adjustment screw? Turns out (after a few purchases) I have CRESCENTS with longer channel plus (I assume) the older wrench versions that stop well short of the adjustment screw...

I’m still here…. sorry, just got back on this. In I’ve been going nuts buying older Crescent and Diamond tools (for my sons and of course me). All I can say is that it is interesting to see the myriad differences in the 8” and 10” wrenches from the same company. It is fun to learn though...