Feature: PRECISION PRECISION - gives you the ultimate marking precision, allowing you to measure down to the finest millimeter. The vernier scale and main scale are designed to slide smoothly into the main body and it will fit on objects perfectly. MULTIFUNCTION (MEASUREMENT AND MARKING). With one MULTI GAUGE caliper you can do 5 different things From measuring 45 degrees, 90 degrees, depth, width to drawing lines. You can measure the thickness and depth of the object just like any other vernier calipers but also you can check the angles with combined miter and t-square. You can measure the object by using the main scale as a ruler. Experience easier measurement SOMETHING ABOUT VERSATILITY - MULTI GAUGE measuring tool is versatile. You can insert a straight ruler and this will work as a vernier caliper. The caliper comes with additional depth gauge attachment which is perfect for measuring objects such as cylindrical rods, pipes and all kinds of angles. This depth gauge is also removable. You can fully customize the caliper with additional components based on the projects. EASY TO READ THERMAL - Each aluminium blade is precisely milled with state-of-the-art equipment followed by sanding procedure and anodizing finishing. The professional square ruler is designed for maximum durability. Blades are laser-etched with scale of white markings on black background for increased readability Specification: Metric & Inch Miter/T-Square/Marking Tool/Depth Gauge/Scriber Tool Material: Aluminum alloy Colour: Black Package Contents: 1 x Woodworking Tool Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.