Features: Made of high quality aluminum alloy, rustproof and durable. Help you to draw cross lines quickly and accurately. T type design can close tightly the wood board. Accurate manufacturing, accurate scales. Small volume, easy to use.   Specification: Material: Aluminum Alloy Color: Red Size: Approx. 6.7 x 4 x 4mm / 2.64 x 1.57 x 1.57in Package Weight: Approx. 66g   Package list: 1 x Cross Calibration Ruler   Note:  1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement 3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.