The Flexbar Triga-Bores is a specialized tool designed for metalworking inspection and measurement tasks. This particular model is compatible with a range of bore sizes, from .630 to 7.874 inches, making it versatile for various machining applications. The Triga-Bores feature a handle only, providing a comfortable grip and precise control during use. This tool is commonly used in CNC, metalworking, and manufacturing industries for ensuring accurate measurements and inspections during the production process.