Features • Aluminum Alloy Construction: Crafted from high-quality aluminum alloy, this optical right angle prism ensures exceptional wear and drop resistance for long-lasting performance • Innovative Rotating Cover: Features a rotating protective cover for easy acc to the pentagonal prism, allowing for convenient front view observation through the center lens • Ergonomic Handle Design: Equipped with a specially designed handle that includes a slot for mounting a plumb bob, ensuring forward-looking observations with ease • Versatile Application Scope: Ideal for use in various industries including subway, railroad, tunnel, dam, and steep slope projects, making it a must-have tool for profionals • Protective Leather Sleeve Included: Comes with a leather sleeve for safe storage and protection from scratches when the optical square prism is not in use Features: 1、Excellent Aluminum Alloy Material: This total station rotating optical prism is made of excellent aluminum alloy material wrapped around the lens, which is wear resistant and drop resistant. 2、Rotating Protective Cover: This total station rotating optical prism features a rotating protective cover that can be rotated to easily expose the pentagonal prism and allows front view viewing through the center lens. 3、Handle Design: This total station rotating optical prism features a handle design with a slot in the handle for mounting a plumb for Bob line center lens for forward looking observation. 4、Wide Application: This total station rotating light prism is widely used in subway, railroad, tunnel, dam, steep slope and many other industries. 5、Leather Sleeve: This total station rotating light prism comes with a leather sleeve that can be used to store the prism when not in use to prevent it from being scratched. Specification: Item Type: Total Station Rotating Optical Prism Material: Optical Glass, Aluminum Alloy Application: Tunnel, Subway, Mine, Highway and Other Testing, Applicable to for Leica and Other Measuring Instruments Use: Widely used in subways, railroads, tunnels, dams, steep slopes and many other industries. Package List: 1 x Total Station Rotating Optical Prism 1 x Leather Sleeve Package List 1 x Total Station Rotating Optical Prism 1 x Leather Sleeve