Black Diamond® 7" Heavy Duty Aluminum Square

Designed with the tradesman in mind, Black Diamond® high-performance hand tools are tough, reliable and engineered for quality and durability. Perfect for your shop, barn, garage, home, warehouse or construction site, Black Diamond hand tools pass the tests of time, pressure and repeated use.
Whether you are a professional tradesman, an accomplished handyman or a serious weekend warrior, you can trust that Black Diamond hand tools will help you make quick work of it.
High visibility laser etched markings withstand heavy duty use and resist fading
Large base for easy positioning - doubles as saw guide
Conversion tables for quick calculations and unit conversions
Continuous scribe notches for repeat markings - ideal for setting up rip cuts