Features DURABLE MATERIAL: Diagonal eyepieces are constructed of ABS material for long-term strength and continuous use, durable and resistant to harsh workplace conditions. ACCURATE AND COMPREHENSIVE - When using a total station, accurate measurements can be made in steep areas and the eyepiece can effectively measure any target from the instrument from distance as well as points and angles in any direction. CLEAR WITH SMALL ERROR: 90 degree elbow eyepiece provides clear images, fast interface, easy to observe and reduces errors APPLICABLE SCENARIO: The diagonal eyepiece can be used in tunnels, meters, mines, roads and other inspections, suitable for measuring instruments such as TRIMBLE S series WIDE USES: The total station elbow eyepiece is widely used in meters, railways, tunnels, dams, steep slopes and other industries. 1. DURABLE MATERIAL: Diagonal eyepieces are constructed of ABS material to provide long-term strength and continuous use, durable and resistant to harsh workplace conditions 2. ACCURATE AND INTEGRAL: When using a total station, accurate measurements can be made in steep areas and the eyepiece can effectively measure any target from the distance instrument as well as points and angles in any direction 3. CLEAR WITH SMALL ERROR: 90 degree elbow eyepiece provides clear images, fast interface, easy to observe and reduces error 4. APPLICABLE SCENARIO: The diagonal eyepiece can be used in tunnels, meters, mines, roads and other inspections, suitable for measuring instruments such as TRIMBLE S series 5. WIDE USES: The total station elbow eyepiece is widely used in subway, railway, tunnel, dam, steep slope and other industries. Specification: Item Type: Diagonal Eyepiece Material: Optical. Glass and ABS Applicable model: For TRIMBLE S series total station Application: Tunnel, subway, mine, road and other detection Usage: Widely used in subway, railway, tunnel, dam, steep slopes and other industries Packing List: 1 x Diagonal Eyepiece 1 x cover. 1 x storage bag. Package List 1 x Diagonal Eyepiece 1 x Cover 1 x Storage Bag