The Starrett 300mm - 11-3/4" Combination Square with Square Head includes a reversible lock bolt, scriber, spirit level (except 4"), and hardened steel, photo-engraved blade with regular or satin chrome finish. The square heads are forged hardened steel with a smooth, black enamel finish. 300mm, Metric/English with Center Head, Satin Chrome Blade. Center Head, Satin Chrome Blade. Starrett precision measuring tools have been the standard for high-quality dimensional measuring tools since 1880. The powerful tools meet or exceed the accuracy and performance requirements of national and international standards, and are traceable to the United States National Institute of Standards and Technology. Starrett tools are essential for the many products that are measured, cut, formed, or assembled. They are used in a broad range of manufacturing facilities as an essential part of metalworking, the manufacturing of durable goods, for working with exotic materials, and in a wide variety of traditional and newer industries such as electronics, aerospace, energy, and many others.
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