Fowler's Light Line Protractors offer light weight angle measurements. Made of black anodized, hard coated aluminum with high contrast white numbering. The opened base makes it very easy to handle. Laser marked in 1 graduations. Used in machining, marking, carpentry and many other applications. 0-180 range Black anodized aluminum construction High contrast white numbering Positive lock knob for holding position Fine tip laser finish for easy reading Made in Germany