[ MATERIAL] Forged from premium stainless steel, this center gauge ruler offers exceptional hardness, toughness, and long-lasting durability. The thickened ruler body is coated with a protective varnish to resist abrasion and maintain precision over time. [PRECISE MEASUREMENTS] Designed for accuracy, this tool enables 45° and 90° line crossings as well as circular center line markings. Its -engraved scales ensure clear, permanent readings that won't blur even with frequent use in demanding environments. [VERSATILE APPLICATIONS] Ideal for hardware processing, cylinder centering, angle marking, and disc marking. This multifunctional tool is a must-have for machinists, engineers, and DIY enthusiasts working with precise measurements. [USER-FRIENDLY DESIGN] The ergonomic design features a clear, easy-to-read scale with precise markings. The stainless steel construction provides a perfect balance of weight and durability for comfortable, extended use in various workshop conditions. [PROFESSIONAL GRADE] Meeting strict ±0.15mm tolerance standards, this center gauge ruler is trusted by professionals for industrial applications. Its 250mm length and 230mm maximum diameter capacity make it suitable for a wide range of measurement tasks., Manufacturer: Lylithuif