Using these wall mount spring clamps, our team found that they securely hold our workpieces in place without damaging them .The clamps are also versatile and can be easily adjusted to fit various sizes and shapes. The spring action provides strong and consistent PRESSURE, ensuring a reliable hold every time. The only downside is that they can be a bit tricky to install on some surfaces, but once they're in place, they're rock solid. Overall, we highly recommend these clamps for any workholding needs..