Check the listing for details. SPI Electronic Caliper, 0-6 inch (0-150mm) Range, 0.0005" Resolution + Case. Condition: Seller refurbished. Listed at 60.00 USD. The SPI Electronic Caliper is a high-quality digital caliper with a range of 0 to 6 inches (0 to 150mm) and a resolution of 0.0005 inches. It is ideal for metalworking inspection and measurement tasks, offering precise and accurate results. The caliper comes with a case for easy storage and portability, making it a convenient tool for professionals in CNC, metalworking, and manufacturing industries. With its reliable brand reputation and advanced features, the SPI Electronic Caliper is a valuable asset for any business or industrial setting.