Achieve precision machining with the SPI Edge Finder featuring a 0.2" head diameter and 3/8" shank diameter. This mechanical edge finder delivers exceptional accuracy of 0.0002", making it an essential tool for machinists who demand precision in their layout and setup work. The cylindrical contact design ensures reliable performance when locating edges on your workpiece. Manufactured by MSC Industrial under the trusted SPI brand, this edge finder (Part #98-321-3) is built for durability and consistent results. Perfect for professional machine shops and precision manufacturing environments where exact measurements are critical to production quality. The robust construction and precise engineering make this edge finder a valuable addition to any machinist's toolkit.