Item Type: Total Station Rotating Optical Prism <br>Material: Optical Glass, Aluminum Alloy <br>Application: Tunnel, Subway, Mine, Highway and Other Testing, Applicable to for Leica and Other Measuring Instruments <br>Use: Widely used in subways, railroads, tunnels, dams, steep slopes and many other industries.<br>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. <br>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. <br>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. <br>4、Wide Application: This total station rotating light prism is widely used in subway, railroad, tunnel, dam, steep slope and many other industries. <br>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.<p>1 x Total Station Rotating Optical Prism</p><p>1 x Leather Sleeve</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.