Combination Squares - Used

Used High-Quality Combination Squares at an Unbeatable Price. Each item is unique — please refer to the photo for the exact combination square you’ll receive, as features and configurations vary by unit. These are premium used tools from trusted American brands — Starrett, Brown & Sharpe, and Lufkin — that you won’t find at a better price. Built to last, they simply don’t make them like this anymore. With a little cleaning, these tools will serve you well for decades to come. What Is a Combination Square? A combination square is an essential multi-functional precision tool for measuring and layout in woodworking, metalworking, and machining. Built with a durable stainless steel ruler and clear etched graduations, it delivers accurate measurements every time. Square head: Measures right angles and depths with precision Protractor head (select units): Marks and measures angles up to 180° — ideal for bevel cuts and layout tasks Center finder (select units): Locates the center of round stock or pipe — perfect for drilling and turning applications Adjustable mechanism: Smooth sliding blade for easy alignment across a range of tasks Whether you’re a professional machinist, pattern maker, woodworker, or serious hobbyist, a quality combination square is one of the most versatile tools in your kit. Available Units We carry a rotating selection of 6" and 12" combination squares from Starrett, Brown & Sharpe, Lufkin, and Union Tool — including standard, protractor, reversing protractor, and center finder configurations. Select your specific unit from the dropdown above. Each is photographed individually so you know exactly what you’re getting. Martin Model Pattern & Woodworking — precision machinist tools shipped worldwide.