Features: CLEAR STYLE POCKET ruler - Our pocket ruler is made of premium aluminum alloy and made by CNC prcess., BE-ST woodworking ruler and T TRACK - both inch and metric., Quality control: these items are designed to strict quality guidelines and excellent craftsmanship, Providing highly accurate and precise measurement markings for consistent and reliable results, Function: Provides a highly accurate measurement reference, as well as a quick and simple setup of T-Track accessories, Satisfactory service: Please if you have questions., Specification: Material: Aluminum alloy aluminum alloy size: 33x33x1cm type: 6/8/12in Note: please allow 0-1cm error due to manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 Pcs T Track rulers.