[Precise Positioning] The 2-in-1 drilling locating ruler features adjustable positioning blocks for faster and more accurate drilling, nailing or marking tasks. This allows for quick and precise hole alignment, improving work efficiency. [Dual- Bubble Level] Our ruler is equipped with an auxiliary dual- bubble level. Ensures precise leveling and plumbness, allowing precise drilling and installation even on uneven surfaces. [Multi-Function Adjustment] The ruler is equipped with an ABS knob that can adjust the length and angle, providing greater flexibility for measuring sizes and angles. This versatility allows users to easily adapt the tool to various job requirements. [ and Clear] The ruler is made of high-quality aluminum alloy with clear scales andmarkings to readability and durability. Wear- printing prevents fading and maintains measurement accuracy over long periods of use. [Wide Range of Applications] The 2-in-1 drilling locating ruler has a multi-functional design and can be used for a variety of purposes besides drilling. Its versatility makes it a great tool for a variety of woodworking and DIY projects. Material: Aluminum alloy colour: black Package Contents: 1 x 2-in-1 drilling locating ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.