- Tension of regulating spring is constant, so marks made by point are uniform in depth and size for each setting
- No hammer required, mechanism automatically strikes a blow when downward pressure is applied
- Adjustable knurled cap regulates force of blow
- All working parts are made of properly hardened tool steel
![L.S. Starrett Automatic Center Punches, 5 1/4 in, 11/16 in tip, Steel, 1/EA, #56757 L.S. Starrett Automatic Center Punches, 5 1/4 in, 11/16 in tip, Steel, 1/EA, #56757](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/277980/382797/681-56757__86043.1595634492.jpg?c=2)