Check the listing for details. QVI OGP 623970 Alignment Reticle Calibration Glass Target 2x2. Condition: Used. Listed at 139.99 USD. 60 Day 100% money back guarantee. Precision 2 × 2 in glass alignment reticle from Quality Vision International (QVI), part number 623970. Features concentric circle with center dot and high-contrast mirrored square—ideal for field-of-view or calibration checks on CMMs, vision systems, and optical comparators. Glass is free of chips, haze, or coating damage; patterns are sharply defined under brightfield inspection. Supplied in its factory hard case for safe storage and shipment. Ships quickly from our Illinois facility in protective packaging so you can keep your metrology tools performing at spec. Keyword Block: alignment reticle, calibration glass, qvi reticle, ogp calibration target, 623970 glass, metrology reference, comparator reticle, vision system fiducial, 2x2 alignment plate