The FCFK miniature compression force transducer is a compact, stainless steel sensor based on strain gauge technology, available in eight rated capacities: 10N, 20N, 50N, 100N, 200N, 500N, 1kN, and 2kN. Featuring a flange-to-flange structure and ultra-small footprint, the FCFK round force sensor is ideal for both static and dynamic force measurements in space-constrained environments. Its robust yet compact design makes it well-suited for precise applications such as finger pinch force testing, pressure distribution analysis, and press-fit force verification. The force detection sensor delivers reliable mV/V output and can be easily integrated into customized setups. In addition to standard models, the FCFK can be tailored to meet specific requirements, offering a versatile and practical solution for high-precision force measurement tasks in medical, industrial, and research settings.