Material - The ruler body consists of a T-shaped ruler and a stopper. The cap and T-shaped ruler are made of aluminum alloy. The surface is black polished and anodized, hardwearing, rustproof and comfortable to the touch. The limiter is marked with a scale and the reading is more accurate. Engraving marks for clear reading. Convenient magnetic attachment - there is a magnet on the back, which allows you to work in special scenes and play a fixed role. The lightweight ruler body is ergonomically designed to reduce pressure on the elbow or wrist. T-type precise measurement, T-type head measuring range 0-100mm, measuring range From the main scale 0-210mm, the upper and lower scale rows are convenient for measuring width and depth. Square T-angle design, can measure 45 degrees, 90 degrees, 135 degrees, and draw lines. Multifunctional ruler - The design of the combination of T-shaped ruler and limiter achieves not only the functions of ordinary calipers, but also increases the functions of angle measuring and marking. The cover is detachable, and you can use other components to completely customize the caliper according to the project. Note: Due to manual measurement, please allow 0-1cm difference. Thanks for understanding. The monitor calibration method is different. The color of the product shown in the photo may be slightly different from the actual product. Please refer to our size before ordering. Delivery quantity: 1 piece