Product Features High-Quality Workmanship: Crafted from high-quality carbon steel, featuring a bright surface that's strong and durable to enhance your experience. Safe and Reliable: The thickened base minimizes tilting. The riveted design ensures joints remain secure, ensuring safety during use. Accurate Measurement: Designed with right angles and clear specifications for both internal and external angles, offering precise measurements. Wide Uses: Ideal for precise measurement tasks and suitable for general workshop, machinery, and woodworking applications. Specifications Material: Stainless Steel Hardness: HRC68 Color: Silver Optional Sizes: 63x40mm, 80x50mm, 100x63mm, 125x80mm Uses: Testing workpiece vertical straightness or drawing vertical lines Package Includes 1 x Angle Gauge (Size of your choice)