This is a precision steel line of chords scale rule designed for measuring diameters and angles. It includes a scale from 0° to 120° in 1/2° increments, with two center dots to set or measure angles using dividers. A circumference scale allows direct measurement of circumference from the diameter, eliminating the need for calculations. The tool is 600 mm (24 inches) long, made of hardened steel with a polished and ground finish, and uses metric units with Class II accuracy. It is compatible with dividers for angle setting and can be used alongside other measuring tools for precise measurements. Packaged for display, it is ready to use out of the box for a variety of DIY and home improvement projects requiring accurate measurements and angle settings.
Features
- Scale 0° to 120° in 1/2° increments
- Two center dots for setting angles
- Circumference scale shows circumference from diameter
- 600 mm (24 in) length; hardened steel, polished and ground
- Sub-divided mm and chord scale on one side
- Circumference scale in mm on the other side
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