Feature 1MATERIAL AND STRUCTURE: The appearance of the prism is red, made of excellent plastic. The prism is glued to the left and right sides with reflective centring symbols. The top is equipped with accurate bubble, waterproof and fall resistant, and the service life is long 2OPTICAL GLASS ACCURATE DETECTION: Prism selected K9 excellent glass material after cutting and carefully polished, more accurate and durable measurement 3FALL RESISTANT PACKAGING: The overall material of the prism is made of excellent ABS. The lens wrapping makes the prism wear resistant and fall resistant, which greatly improves the service life of the prism 4CLEAR AND ACCURATE: Enhance the reflection ability of prism, possess full texture, clear and bright, improve the accuracy of measurement, measurement work become more simple 5SCOPE OF APPLICATION: Mini prism can be used for tunnel, subway, mine, highway detection, etc., suitable for measuring instruments, widely used in railway, dam, steep slope and other industriesSpecificationItem Type: Mini PrismMaterial: K9 optical glass and ABSColor: Red and yellowEffective Diameter: Approx. 25.4mm / 1inConstant: -30mmApplication: Tunnel, subway, mine, highway and other detection, suitable for measuring instrumentsUse: Widely used in railway, dam, steep slope and other industries .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Mini Prism1 x Lid1 x Storage Bag