A nice example of the Cromna self adjusting wrench, made in Denmark, patent number 69670. Marked number S2, 13-19 mm, 5/16–7/16. Most of original japanning is present on the handle, very slight pitting and staining on the head. Spring adjust is strong and smooth. Will be a nice addition to your collection. Schulz 785.

⚡️This wrench (or tool) is part of my 500+ piece collection of over 30 years. It will probably take months to get through it all, so check out my other items and keep an eye out for more items coming soon. My goal is to list 20 new ones every week.

Most of them are rare and unusual ; mostly adjustables, with a large assortment of alligator wrenches, pipe wrenches and implement wrenches. Most are in as-found condition, with only light cleaning and preservation. I will do my best to describe any defects in the description, but please look at photos as they will show what you get. I will also be listing 30+ books on wrenches including Schulz, Cope, Wullweber, Snyder, Rathbone and more. Thanks for looking!

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