small design for toolbelts, become the go measurement solution for fieldwork, workshop repairs, and accuracy machining applications strong steel construction resists deformation and erosion, outperforming rulers by 200% life in humid / environment Ideal for engineers, lab technicians, and enthusiasts requiring stable dimensional verification during equipment assembly or development Engineers steel Screw Measuring gauges delivers ±0.01mm accuracy for error without fastener sizing in mechanical and construction projects Professional thickness combines portability with workshop durability, maintaining calibration accuracy through rigorous daily use across industry, Manufacturer: NEWFT