6 Inch (150mm) Electronic Digital Caliper Prop 65 - Ceramic 409B) installs in the same

409B) installs in the same location as an auxiliary lens but does not alter the microscope's natural focal length or magnification

3 mm outside diameter measured at the widest point of the nut

Five included angle options from 60 to 120 degrees

Dedicate an older pair of scissors for cutting

6 Inch (150mm) Electronic Digital Caliper Prop 65 - Ceramic 409B) installs in the sameThis stainless steel electronic digital caliper is a precision measuring tool for jewelers, metalsmiths, and bench workers. Accurate and easy to read, it replaces less reliable measuring tools and delivers consistent results when measuring stones, findings, and any component requiring an exact dimension. A single button toggles between metric and imperial modes, and a zero re set button allows fast, convenient incremental measurements at any position