L.S. Starrett No. 643 Dial Depth Gages
643JZ DIAL DEPTH GAGE W/
Product Description
- Knife-edge base and a needle point contact which has been hardened and ground
- The knife-edge base has a cutout so that the conical point can be precisely positioned for close work
- Point is 1/2" (12.7 mm) long with a 40 included angle