I'm surprised Channellock doesn't make these, it seems like it's right up their alley. Come to think of it, might be a patent issue. Still, this is the kind of thing they could do: make tools that are adjacent in form and function to what they already make.
Channellock used to manufacture automatically adjusting locking pliers, as well as a more conventional type.
My best guess on why they don’t manufacture locking pliers nowadays is production cost, verses the low price consumers expect to pay given all the cheap imported locking pliers.
Locking pliers generally require both forged parts,
as well as the stamped bent, and formed sheet metal frames.
This requires different types of tooling to stamp and form the sheet metal,
Plus the extra step of riveting and brazing the forged jaws into the sheet steel handles.
Then, most locking pliers are also available in a chrome plated finish, and Channellock doesn’t chrome plate their pliers, and likely doesn’t gave facilities to do so.
The extra cost of stamping and forming equipment, (or laser cutting equipment), plus setting up a brazing/welding section, etc. probably isn’t worth it.
Malco was familiar with tool manufacture, yet still took way longer to set up for “Eagle Grip” locking plier production than was expected, and still had to charge four or five times as much for the locking pliers as Vise Grips cost.
Snap-On only bought the line once the line was up and running, and Malco had decided to throw in the towel.
After a commet like "Don't you have enough pliers?" the other day she got me wondering.....do you ever have enough?
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