Roller wear monitoring in steel mills requires precise and reliable hardness testing to maintain production efficiency and safety. The Proceq Durezza Meter, a digital Shore hardness tester, is integrated into critical components of steel rolling mills, where it continuously assesses the hardness of rollers and other high-stress parts. This enables operators to detect early signs of material degradation, ensuring that maintenance is performed before failures occur. The device's portability and ease of use allow for quick inspections during routine maintenance cycles, reducing downtime and minimizing the risk of unexpected breakdowns. In the steel industry, where equipment operates under extreme conditions, the meter's ability to provide accurate, real-time data supports proactive maintenance strategies. It is also used in conveyor systems and material handling equipment, where consistent material properties are essential for operational continuity. By ensuring that all moving parts meet required hardness standards, the meter plays a vital role in maintaining the integrity and performance of steel manufacturing processes.