Feature:1. COMPACT AND PORTABLE: This total station mini prism is small in size, compact in structure, easy to carry, convenient to use, and seamless with measuring instruments2. CLEAR AND LONG LASTING: The 360 total station measuring prism is made of K9 glass and aluminum materials, clear and efficient, and will hold up in the harshest conditions for years to come3. FAST AND EFFICIENT: The 360 measuring prism provide 360 degree reflection to ensure fast tracking and locking of the instrument, suitable for measurement and mapping4. APPLICABLE SCENARIO: Universal prism is widely used in railway, dam, steep slope and other industries measurement, easy to use and practical5. APPLICABLE MODEL: L bar 360 degree prism is suitable for Trimble total station, for SOKKIA and other measuring instruments, very versatileSpecification:Item Type: 360 Degree PrismMaterial: K9 glass and aluminumPrism Offset: +30mmConstant: -29mmEffective Diameter: Approx. 25.4mm / 1inApplication: For Sokkia, for Trimble, etc.Use: Widely used in subway, railway, tunnel, dam, steep slope, mines, highways, etc..Package List:1 x Total Station Prism1 x Storage Bag