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 time 2、EXQUISITE PORTABLE: The aluminum alloy measuring ruler adopt exquisite workmanship, excellent material, can bring you a good experience. Foldable design, easy to carry out 3、CLEAR AND ACCURATE: The multi purpose measuring ruler has a clear scale mark and an adjustable positioning block for fast and accurate measurement 4、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 verticality 5、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 novices Item Type: Drilling Positioning Ruler Material: Aluminum alloy Main Ruler Length: Approx. 60cm / 23.6in Main Ruler Width: Approx. 5cm / 2in Head Length: Approx. 37cm / 14.6in Head Width: Approx. 5.7cm / 2.2in 1 x T Square Ruler