The Besly 3/4" Plug Gauge is a precision inspection tool used for quality control in metalworking. This gauge features GO (.749) and NOGO (.7515) ends for accurately measuring the inside diameter of holes. With a focus on precision and reliability, the Besly brand is known for producing high-quality inspection gages that meet the standards required for CNC machining and manufacturing processes. This gauge is essential for ensuring that 3/4” holes are consistent and meet specific tolerances.