High-Precision Glass Ruler with 0.1 mm graduation and a total length of 50 mm, 100 mm, 200 mm, 300 mm, or 400 mm.
This premium-quality glass scale is ideal for precise length measurements on paper, films, and other flat surfaces. It is also perfectly suited for calibrating microscopes and profile projectors. The scale features hard chrome construction with vapor-deposited graduations and numbering for maximum accuracy and durability.