Maizoon Vernier Caliper,9-150MM Double Inner Groove Instruments Ruler,Carbon Steel Diameter Gauge,Measuring Tools for DIY/Woodworking/Metalworking/Plumbing Model Making,NE03

9-150mm/9-200mm/9-300mm Inside Groove Vernier Calipe,Specially designed for measuring inside groove which is hard to reach.Material:Carbon steelProcess:Fine grinding processing, laser engravingSpecification:Conventional size: 150mm,200mm,300mm,Facilitate measurement of a diameter of a narrow groove in a hole through thinner jaws.Use:Widely used in the field of machining and measuring the diameter of the inner hole.Multifunctional:Suitable for jewelry measurement,antiques measurement and industrial use.

• 【Units】Marked in millimeters.
• 【Function】Measure depth,height,internal and external diameter.
• 【Material】Made from premium quality carbon steel,which is rustproof and lightweight,not easy to break.
• 【Portable】Lightweight durable construction,use these smooth moving slider vernier for quick inside,outside,step and depth measurements.
• 【Application】Great tools for measuring small stuffs