Features 1、[Drilling Positioning] The drilling positioning ruler features 3 sets of adjustable positioning blocks, enabling faster and more accurate drilling, nailing, or marking tasks with accuracy. 2、[Dual Axes Bubble Level] Equipped with dual axes bubble level, ensuring accurate leveling and verticality even on uneven surfaces for accurate drilling and installation. 3、[Versatile Design] The multi angle measuring ruler comes with ABS knob for adjusting length and angles, providing greater flexibility for measuring size and angle. 4、[Premium Construction] Crafted from aluminum alloy, the combination ruler is sturdy and firm for long lasting use in woodworking applications. 5、[Clear Scale] The woodworking ruler features clear printed scales to prevent fading and maintain measurement accuracy over extended periods of use. Specification Item Type: Drilling Positioning Ruler Material: Aluminum Alloy Main Ruler Length: Approx. 41cm / 16.14in Main Ruler Width: Approx. 5cm / 1.97in Ruler Head Length: Approx. 37cm / 14.57in Ruler Head Width: Approx. 5.7cm / 2.24in Package List 1 x Drilling Positioning Ruler