Feature:1. STRONG MATERIAL: The drilling positioning ruler is made of excellent aluminum alloy material, long lasting and wear resistant, not easy to break, and can be used for a long time2. EXQUISITE PORTABLE: The aluminum alloy measuring ruler adopt exquisite workmanship, excellent material, can bring you a good experience. Foldable design, easy to carry out3. CLEAR AND ACCURATE: The multi purpose measuring ruler has a clear scale mark and an adjustable positioning block for fast and accurate measurement4. AUXILIARY BUBBLE: This 2 in 1 bit locator is designed with an auxiliary dual axes bubble level to help calibrate horizontal and vertical alignments, ensuring accurate levelness and verticality5. APPLICABLE SCENARIO: This versatile measuring ruler can be quickly and easily adjusted to fit a variety of shapes and angles, making it ideal for handymen and construction workers, carpenters, or novicesSpecification:Item Type: Drilling Positioning RulerMaterial: Aluminum alloyMain Ruler Length: Approx. 60cm / 23.6inMain Ruler Width: Approx. 5cm / 2inHead Length: Approx. 37cm / 14.6inHead Width: Approx. 5.7cm / 2.2in.Package List:1 x T Square Ruler