Hoping someone here can help me identify some clamps I picked up at a garage sale . They are marked style#21 and model 2124 stamped on the side but cannot find any info online about them . They are dual sided with square drive screws that operate the clamp . Thanks I’m advance for any info on these !
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I have a set of those, 5 of them.. yours are now the second time i ve seen them. Mine say "The Black Brothers" Mendota Illinois and had a patent. Ancient and super handy... mine are 3' in length. Mount bottom clamp to a bench and are really good for gluing up things like doors. Line them up with a straight edge.. they clamp from both sides equally. I found a socket that fits the square drive and use a socket wrench to operate them.
Thanks , definitely sounds like the same clamp ! I’ve even looked at vintage catalogs from Jorgensen and can’t find them . I bought 4 of them and sure they will come in handy