Feature:1. Reflective Alignment Marker: The total station mini prism has reflective alignment markers glued to the top and bottom of the prism, and the top is equipped with accurate, waterproof and drop proof.2. ABS and Optical Glass: The whole material of total station prism is made of ABS and optical glass, and the lens is wrapped at the lens to make the prism anti wear and anti drop.3. Red and Yellow Appearance: The total station mini prism is made of red and yellow, which is very eye catching, easy to find and exquisite in appearance.4. Accurate Detection: The optical glass of the total station small prism can do precise detection, cutting carefully polished, and more accurate measurement.5. Good Reflection Capability: The design enhances the reflection capability of the total station prism, which is full of texture and clear and bright, making the measurement work easier.Specification:Item Type: Total Station Mini Prism Material: Optical Glass, ABSColor: Red And YellowEffective Diameter: Approx. 25.4mm / 1inConstant: 0mmApplication: Tunnel, metro, mine, highway and other testing, applicable for Trimble, for Leica and other measuring instruments.Use: Widely used in metro, railroads, tunnels, dams, steep slopes and many other industries..Package List:1 x Survey Mini Prism1 x Cover1 x Storage Bag