1、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. 2、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. 3、EASY TO USE: The eyepiece has clear imaging and a snap on interface, making it easy to observe and reducing errors. 4、WIDE APPLICATION: Widely used in various industries such as subways, railways, tunnels, dams, steep slopes, etc. 5、APPLICABLE MODEL: Total station elbow eyepiece is suitable for TOPCON GTS TKS series total station, check for better use experience!