This vintage magazine advertisement features three types of Trimo wrenches that were manufactured by the Trimont Mfg. Company. They are the: Trimo Pipe Wrench, Trimo Chain Wrench and the Trimo Monkey Wrench.

Here is a black and white clip art version of the wrenches from the advertisement.

The ad is from the September 6, 1917 issue of Hardware Age magazine.

Click on images to enlarge.