Check the listing for details. 30pcs Survey Reflector Sheets 30mm Self-adhesive Survey Target Mark Green. Condition: New. Listed at 14.74 USD. Diamond grade reflective tape 30mm x 30mm paste prism paper reflector for total stationsDiamond grade total station reflector features high precision, high reflectivity, and strong durability.Oily pressure-sensitive adhesive is resistant to high temperatures, oxidation, and uv-rays, making it suitable for use in complex environments. Additionally, it has strong adhesion and is not easy to fall off. It can be easily and quickly attached to the surface of the object that needs to be measured or positioned. Widely used in construction surveying and monitoring, such as tunnel engineering, bridge engineering, building construction, ship survey, etc.Survey Accuracy: Standard measurement mode: 2mm +2 ppm; Fast measurement mode: 5 mm +2 ppm.