The Incra Guaranteed Square 7Inch GSQR7 is a valuable asset in any DIY workshop. It has been previously owned and is in perfect condition as can be seen in the photos. The brand, Incra, is known for its quality tools and the GSQR7 is no exception. You'll find this square useful in many projects around the house. The 7-inch version is large enough to accommodate most tasks and the squares are guaranteed to be accurate.