Features: Selected Materials: This Positioning Ruler is expertly crafted from excellent wood, featuring double-sided engraving that resists for precise measurements every time.This Positioning Ruler is expertly crafted from excellent wood, featuring double-sided engraving that resists for precise measurements every time. Perfect Holes: Our Positioning Ruler includes an adjustable positioning block for flexible hole placement a 4.5mm diameter. Use a 3-4mm drill bit for the most accurate position every time. Enjoy precision drilling with ease. Widely Used: With its expertly crafted, this positioning ruler ensures precise measurements, making it an indispensable for a wide of tasks. Precision Craftsmanship: Achieve perfect cuts with our Positioning Ruler. The seamless solid base ensures a fit between ruler and base, delivering precision and stability in every use.Achieve perfect cuts with our Ruler. Simple to Carry: Easily bring along the Positioning Ruler wherever you go. This compact and light in weight tool ensures you can use it, anywhere; making it the perfect choice for precision measurements, whether at home or outdoors. Specifications: Component: Wood Size: About. 30x42cm/11.81x16.54in Package Includes: 1pc Measuring Ruler note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.