ATG-3550
$85.00
M5 stylus with 3.5 mm diameter ruby ball, 2.5 mm diameter carbide stem, and 11.0 mm diameter x 10.0 mm long stainless steel base. Overall stylus length is 50.0 mm. Stylus weight is 8.32 grams. Compare to Zeiss 626115-0350-050.