Renishaw M3 10 mm Silicon Nitride Ball Stylus
Renishaw M3 10 mm Silicon Nitride Ball Stylus - Carbon Fiber Stem (L 200 mm EWL 200mm) Straight Styli. The simplest form of stylus, incorporating highly spherical industrial ruby balls and a choice of stem material. Ruby is an extremely hard material and hence stylus wear is minimized. It is also of low density, keeping tip mass to a minimum ...