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 Consistent Measuring Tool: Made from strong aluminum alloy, this metric thread gauge provides durability and easy handling for engineers and technicians needing regular measurements 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 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: Hrtyvhin