Introducing our 3/8" Shank Diameter Edge Finder, a precision tool designed for machinists and professionals in need of accurate and reliable measurements. Crafted from high-quality tool steel, all working surfaces are hardened and ground, ensuring durability and a long service life. This edge finder is rated up to 1,000 RPM and is capable of locating round or flat work to within .0005" accuracy, making it a crucial tool for precision machining. This tool is essential for locating center points and scribe lines and can be applied to locate edges on various surfaces, including flat surfaces, straight edges, shoulders, and grooves.