Ideal for professional technicians, industrial engineers, and automotive specialists requiring reliability analysis tool Precise scale graduations provide instantly readability, minimizing measurement errors while handling threaded fasteners or cylindrical component Crafted from steel, this precise thread gauge delivers resistant durability and industrial accuracy for M 3-18 screw measurement Features double scale marking for thread pitches ( P=0.5 / 0.7 / 0.8 / 1.0 / 1.25 / 1.5 / 1.75 / 2) and integrated measurement, ensuring versatilIitys functionality in mechanical applications for workshop environment like machine shops, manufacturing facilities, and equipment maintenance stations to verify screw specifications, Manufacturer: ERRORY