The Stanley STA145013 48 Inch Aluminium Folding Builders Square is a high-quality combination square designed for precision in various building and construction projects. Made from durable aluminium material, this square features a convenient folding design for easy storage and transport. With a height of 177 cm and a width of 122 cm, this square is versatile and reliable for a range of applications. The Stanley brand ensures a trusted and reliable tool for professionals and DIY enthusiasts alike. Hardly used- great to work with.