The push-pull gauge is a mechanical measuring instrument for thrust and tensile testing. Push-pull force meters are widely used in high and low voltage electrical appliances, electronics, hardware locks, auto parts, lighters and ignition devices, pens, light industry, construction, fishing gear, textile, chemical, machinery, IT and other industries, as well as scientific research institutions for tensile and compressive loads, insertion force test, destructive test and etc. It is an important tool to test the performance of products after riveting.