If you're in the construction business, this tool is a must-have. Industrial and Scientific, it is an essential for carpenters who need to make precise 45 degree measurements. The tool is accurate and resistant, making it durable enough to hold up on any job site. However, it can be a bit bulky and may not fit in smaller tool belts easily. Overall, this measuring tool is an important investment for any construction worker looking to get the job done right.