TM2-3031.5-DS2

M2 stylus, 3.0 mm diameter ruby ball, 2.0 mm diameter carbide stem. 3.0 mm diameter x 7.0 mm long stainless steel base. Stylus length to ball center is 30.0 mm. Stylus weight is 1.45 grams. Compare to Renishaw A-5003-0040.