From the Manufacturer
The Scale Master II features a new lock switch to lock in the mode or scale so you can not inadvertently change them will rolling. Multi-scale digital plan measure makes it easy to do linear, area, and volume take-offs with speed, accuracy, and confidence. Does fast accurate take-offs for construction, electrical, concrete, drywall, remodeling, flooring, plumbing, design, landscape, painting, paving, roofing, paving, HVAC, and more. 91 built-in scales: 50 Imperial (English) and 41 Metric. 8 custom scales calibrate to any plan, even if faxed, enlarged, or reduced. Great for plan books. Calculates rectangular area and cubic volume automatically.
Product Description
91 built in scales, 50 imperial (feet and inch), and 41 metric, for architectual, engineering, and map scaling. 8 custom scales, store and recall length, width and height values. Autocount value lets you know how many times a specific distance has been ro