The Shimpo MF Mechanical Force Gauge is a precision instrument that accurately measures tension and compression forces in a wide variety of applications. This Mechanical Force Gauge easily mounts to test stands or fixtures using threaded mounting holes on the back side. the Shimpo economical MF mechanical force gauges are excellent for push/pull force testing in manufacturing, material testing, maintenance and inspection applications. The Shimpo Economical Mechanical Force Gauge was ergonomically designed for handheld use, but may also be used with the optional handle-great for loads over 15 pounds (6.8 kg). Due to its mechanical design, response time is immediate. Calibration is achieved by a set of precisely matched springs which are overload protected to 165 pounds (75 kg)