Feature: PRECISION - Provides ultimate marking precision, allowing the user to accurately measure up to the millimeter. The vernier scale and main scale are designed to slide smoothly into the main body and fit securely onto objects. MULTI-FUNCTION (MEASUREMENT AND MARKING) - With one MULTI GAUGE caliper, you can perform 5 different functions! Measure 45-degree and 90-degree angles, depth, width, and draw straight lines. Gauge thickness and depth like a standard vernier caliper, check angles using the integrated miter and T-square features, and use the main scale as a ruler for marking. Experience easier measuring. VERSATILITY - The MULTI GAUGE measuring tool is highly versatile. Insert a straight ruler to use it as a vernier caliper. Includes a removable depth gauge accessory, ideal for measuring cylindrical rods, pipes, and various angles. Customize the tool with additional components based on your project needs. EASY-TO-READ SCALE - Each aluminum blade is precisely milled using advanced CNC equipment, followed by sanding and finishing. The professional square ruler is built for maximum durability. Scales are laser-engraved with white markings on a black smooth background for enhanced readability. Specifications: - Dual scale: Metric & Inch - Functions: Miter Square, T-Square, Marking Gauge, Depth Gauge, Scribe Tool - Material: Aluminum alloy - Color: Black Package Contents: 1 x Woodworking Tool Ruler Note: Other items not included. Lighting and display differences may cause slight color variations. Measurement error allowance: +/- 1-3 cm.