Review on 🔧 Versatile Massca Portable C Clamps: Top-Quality Workshop Essential by Eric Nallamothu

I used these to clamp 3/4" thick plywood. I didn't tighten them any more than any other clamp, but they wouldn't let go. too weak or had too little travel "I had to loosen the adjustment knob with pliers to get them loose enough to loosen. I've never had that with any other clamp. At first glance they looked pretty strong but they weren't.