The drilling positioning ruler is make of . printing prevents fading over time, thus maintaining measurement accuracy. Features three set of positioning block for faster and more accurate drilling, marking tasks, increasing overall efficiency. This tool help calibrates alignment. It ensures precise leveling and plumbness, allowing precise drilling and installation. Equipped with ABS knob for adjusting length, providing flexibility in measuring size. This allows you to easily adapt the tool to various project requirements. Package includes: 1 Set Drilling Positioning Ruler