small design for toolbelts, become the go measurement solution for fieldwork, workshop repairs, and accuracy machining applications 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 strong steel construction resists deformation and erosion, outperforming rulers by 200% life in humid / environment, Manufacturer: Kaeltsyn