Features DURABLE MATERIAL: Diagonal eyepieces are crafted from ABS material to provide long term strength and continuous use, durable and resistant to harsh job site 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 distance instrument, as well as points and angles in any direction CLEAR WITH SMALL ERROR: 90 degree elbow eyepiece bring clear imaging, snap interface, easy to observe and reduce error APPLICABLE SCENARIO: Diagonal eyepiece can be used in tunnels, subways, mines, highways and other inspection, suitable for measuring instruments such as for TRIMBLE S series WIDE USES: Total station elbow eyepiece is widely used in subway, railway, tunnel, dam, steep slope and other industries 1. DURABLE MATERIAL: Diagonal eyepieces are crafted from ABS material to provide long term strength and continuous use, durable and resistant to harsh job site conditions 2. 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 distance instrument, as well as points and angles in any direction 3. CLEAR WITH SMALL ERROR: 90 degree elbow eyepiece bring clear imaging, snap interface, easy to observe and reduce error 4. APPLICABLE SCENARIO: Diagonal eyepiece can be used in tunnels, subways, mines, highways and other inspection, suitable for measuring instruments such as for TRIMBLE S series 5. WIDE USES: 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, highway and other detection Use: Widely used in subway, railway, tunnel, dam, steep slope 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