Micro-Fine Marking Holes : Instantly locate your pencil or scribe with precision, eliminating guesswork and saving time. Hooked End Alignment : Ensure your measurements start and end accurately, providing reliable results. Square And Rounded Ends : Adapt to various materials and surfaces, offering flexibility in your work. Precision Measurements : Accurate down to the smallest detail, ideal for intricate designs and precision work. Suitable For Electronic Devices And Precision Machines : Perfect companion for technicians and engineers, aiding in complex tasks. Unleash your potential with our Mechanical Pencil Compatible Precision Ruler, a tool that marries artistry with engineering prowess. Designed for the modern maker, it's a testament to precision and craftsmanship, ready to elevate your projects to new heights of excellence.