Feature: 1. [Clear Imaging] The diagonal eyepiece ensures crisp imaging, making observations easy and reducing errors during measurements with the total station. 2. [Quick Installation] Featuring snap on interface, this elbow eyepiece is easy to install, allowing for quick and convenient setup for immediate use. 3. [Sturdy Construction] Constructed with robust optical glass and ABS materials, this diagonal eyepiece offers strength for continuous use, can withstand harsh working site conditions. 4. [Accurate Measurement] This total station elbow eyepiece can accurately measure points and angles in any direction within minimal working distances. 5. [Versatile Applications] Widely used in industries such as subways construction, railway engineering, tunnel excavation, dam construction, and steep slope surveying. Specification: Item Type: Diagonal Eyepiece Material: Optical Glass, ABS Applicable: Total Station Application Range: Tunnel, Subways, Mine, Highway Inspection Use: Widely Used in Subways, Railway, Tunnel, Dam, Steep Slope and Other Industries. Package List: 1 x Diagonal Eyepiece 1 x Storage Bag