Features Durable Ball: The ball at the end of the CMM touch stylus has a long service life and will not wear the surface of the abrasive material. Good Stiffness: For balls larger than 3mm in diameter and 30mm in length, the ceramic shank of the CMM probe stylus has good stiffness to support and is light in weight. Anti-collision Protection: The ceramic shank of CMM touch probe tool provides extra protection for the probe to avoid shattering in a collision with good stability. Straight Line Design: The straight line design of the CMM probe stylus is designed to detect simple features with direct, unobstructed access to the measurement surface. Superior Materials: This CMM touch probe has a standard M4 thread and the shank is made of stainless steel and ceramic for good performance and long-lasting durability. Specification: Item Type: CMM Probe Stylus Material: Stainless Steel and Ceramic Thread: M4 Application: For three coordinate machine tool Ball Diameter: Approx.6mm/0.24in Length: Approx.50mm/2in Package List: 1 x CMM Probe Stylus 1 x Storage Box Package List 1 x CMM Probe Stylus 1 x Storage Box