Clear and Visible Markings: Features permanently engraved metric size indicators with highly noticeable, lasting engravings, guaranteeing simple identification for all users and reducing reading errors Wide Application Feature: Functions with multiple metric screws, fasteners, and bolts, eliminating conversion issues between different standards Adaptable Usage Scenarios: Perfect for thread inspection of screws, fasteners, and bolts as well as metal crafting, equipment maintenance, furniture assembly, and pipe setups, suitable for both industrial and household applications Consistent Measuring Tool: Made from strong aluminum alloy, this metric thread gauge provides durability and easy handling for engineers and technicians needing regular measurements Versatile Construction: Combines thread checking and size measurement in single tool, quickly determining metric thread types while assessing thread dimensions, replacing multiple single purpose instruments, Manufacturer: FHGSPQWM