Features: - HIGH-QUALITY WORKMANSHIP: Made of high-quality carbon steel, with a feature of bright surface, strong, and durable, which can improve experience. - SAFE AND RELIABLE: The thickened base is not easy to tilt. With riveting design, the joint is not easy to fall off, ensuring your safety during use. - ACCURATE MEASUREMENT: Right angle and clear specification design, both inside and outside are right angles, making the measurement more accurate. - WIDE USES: Suitable for precise measurement work, and also for general daily workshop, machinery, and woodworking work. Specifications: - Material: Stainless Steel - Hardness: HRC68 - Color: Silver - Optional Size: 63*40mm/80*50mm/100*63mm/125*80mm - Used for: Testing workpiece vertical straightness or Drawing vertical Package included: 1 x Angle Gauge