Check the listing for details. Veeco 2" Reference Mirror RM05442 Calibration Standard For WYKO Profilers. Condition: Used. Listed at 184.50 USD. 60 Day 100% money back guarantee. Precision-ground Veeco reference mirror, ~20 mm diameter, supplied in its original 2" dia protective housing with twist-lock cover. Intended for field or factory calibration of WYKO and other interferometric surface profilers. Housing features alignment slots for rapid, repeatable placement. Serial RM05442 is legible on the label. Minor scuffs to outer anodized shell; optical face looks excellent under bright light. No accessories, software, or documentation included. Ships from Carol Stream, IL within one business day in padded carton. Keyword Block: veeco reference mirror, wyko calibration standard, optical profiler accessory, interferometer reference, surface metrology, 20mm mirror, rm05442, calibration optic