Function: The simple stylus is designed to check simple functions that can directly and unobstructed contact with the surface to be measured. Stainless steel bar has excellent rigidity and is very suitable for applications with low weight requirements. This red accessory is considered the industry standard for a stylus tip. It is one of the toughest materials and is suitable for most applications. Equivalent to Renishaw part number: A-5003-4797. Specification:Thread:M4Ball Diameter: 4mm Stylus Material: Stainless Steel Bracket Material: Stainless Steel Package Content:1 x Probe Coordinate Measuring Machine Remarks:1. The actual product color may be slightly different from the picture on website due to various factors such as display brightness and light brightness.2. Please allow the data to have a slight deviation from manual measurement.