Hey DIYers and carpenters, this Mayes 7-inch rafter square is one of those tools you didn't know you needed until you start using it! Made from tough high-impact polystyrene, this little guy can handle being dropped, tossed in a toolbox, or used on rough job sites without breaking. The embossed scales are genius - they won't fade or wear off like printed markings, so you'll always have clear, accurate measurements. It's precise to within .001, which is seriously accurate for a plastic square at this price point. Perfect for quick angle layouts, marking rafters, checking corners, or any project where you need reliable angle measurements. The compact 7-inch size makes it easy to carry in your pocket or tool belt, but it's still large enough to handle most common measuring tasks. It comes with an instruction booklet that's actually helpful if you're new to using rafter squares. Whether you're building a deck, framing a wall, or just doing some home repairs, this square makes getting perfect angles so much easier. It's one of those affordable tools that quickly becomes indispensable once you realize how many times you need to check or mark angles accurately.