Storage: With hole, ensuring easy to access and storage in any workshop setting, keep work organized Also, the 12inch woodworking square is easy to store With a ruler stop ( needle on handle), between from 30 to 90 degrees is easy With the small pen tip hole under the scale, line drawing is accurate and smooth Stability: The movable clamps on handle ensures a grip, enhancing stability during intricate woodworking projects, allowing for smooth and maneuvering Widely Used: This square for woodworking but it also could be used in schools, factory, and home whether architect,, enthusiasts the 12inch square could possible to measure and draw whenever you need Constructiosn: The 12inch square is crafted from Aluminum, which ensures durability, withstanding daily woodworking tasks for year to come, Manufacturer: TFAOYS