Features STEEL STRUCTURE --- Meticulously made of solid steel material, diagonal eyepiece can provide long term strength and continuous use, and is durable and can withstand harsh working site conditions. ACCURATE MEASUREMENT --- Diagonal eyepiece, which can also obtain accurate measurements when using the total station. Accurately measure points and angles in any direction within a minimum working distance of 1.3 meters or 1.3 meters. EASY TO USE --- The eyepiece has clear imaging and a snap on interface, making it easy to observe and reducing errors. WIDE APPLICATION --- Widely used in various industries such as subways, railways, tunnels, dams, steep slopes, etc. APPLICABLE MODEL --- Total station elbow eyepiece is suitable for TOPCON GTS TKS series total station, check for better use experience! Specification: Item Type: Total Station Diagonal Eyepiece Material: Optical Glass, Steel Scope of Application: Testing of tunnels, subways, mines, highways, etc. Suitable for Leica and other measuring instruments Application: Widely used in various industries such as subways, railways, tunnels, dams, steep slopes, etc. Package List:1 x Total Station Diagonal Eyepiece 1 x Storage Bag  Package List 1 x Total Station Diagonal Eyepiece 1 x Storage Bag