10" six years old and still going strong. These are the best pliers I have ever used. Better than KINIPEX because of the low profile button, doesn't get in the way and doesn't feel cheap. Feels like I would break those..
The grips are comfortable and the tool is overall very well balanced. Even without the grips they work great. Better even.
I put these on a nut and stood on them, they didnt strip. I've used these as a hammer to smash concrete, hammer nails, pry nails and even remove small metal slivers from my fingers.
As a plumber I've cranked thousands of 3/8ths rods into concrete ceilings where the apprentice has drilled the "straight" hole on a practically 45° angle and I've had to use these pliers to smash the rod plumb.
They are cheap and reliable plus over the years the slide keeps getting smoother but they dont get loose.
The 6" set I had eventually stripped after a couple years. The teeth on the pin broke off.
I dont usually write reviews on stuff but these pliers are #1