PRECISE Gauge for Sheet Plate Iron and Steel - TM30000 is a must-have for metalworkers, artisans, and other professionals who work with sheet metal. Crafted meticulously from high-quality stainless steel, this gauge promises durability, resistance to corrosion, and a long lifespan. The 3.5" (8.9 cm) diameter makes it compact enough for portability while also ensuring it's easily readable. Weighing in at a mere 1.9 ounces (53.86 grams), it is lightweight, making it effortless to handle and use. The tool allows for measurements in U.S. Standard (1-36) gauge and, in addition, provides mm markings on the opposite side, ranging from .007 to .3125, giving users flexibility and adaptability in their work. The gauge comes with its vinyl sleeve perfect for safeguarding the tool from potential damages. This sleeve can easily be stashed in a toolbox or hung on a workshop wall, ensuring the gauge is always within arm's reach when needed. HIGH-GRADE MATERIAL: Constructed from premium stainless steel ensuring durability, corrosion resistance, and longevity. DUAL MEASUREMENT: Features U.S. Standard (1-36) gauge on one side and mm markings on the other, ranging from .007 to .3125. COMPACT LIGHTWEIGHT: Measures 3.5" (8.9 cm) in diameter and weighs just 1.9 ounces (53.86 grams), perfect for on-the-go tasks. PROTECTIVE SLEEVE: Comes with its own vinyl sleeve, ensuring the gauge's protection and offering easy storage solutions VERSATILITY: Ideal for measuring sheet and plate iron and steel, catering to the needs of metalworkers and other professionals.