M3 XXT stylus with 0.7 mm diameter ruby ball, 5.0 mm diameter x 9.0 mm long titanium base, and stepped carbide stem. Minor stem diameter is 0.5 mm; major diameter is 1.0 mm. Overall stylus length is 26.0 mm. Stylus weight is 0.78 gram. Compare to Zeiss 626113-0070-026.