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The Spi Caliper Extender is the perfect accessory for those who need an extra six inches of length when using their calipers. With a precision accuracy of 0.0030 and an anodized coating for durability, this extender is compatible with 6-inch dial, vernier, and electronic calipers. Its length of 36 inches allows users to reach deeper into confined spaces, making it ideal for industries such as manufacturing, automotive, and aerospace. With its easy-to-read decimal increments and ability to withstand harsh environments, the Spi Caliper Extender is the essential tool for precise measurement needs.