Super fine line in 1.2 meters application with TTL modulation function Red Line Laser Module Model : VLM-635-57-60° Series Red Line Laser Module Model : VLM-635-57-5° Series Red Line Laser Module Model : VLM-635-57-45° Series Red Line Laser Module Model : VLM-635-57-30° Series Red Line Laser Module Model : VLM-635-57-20° Series Red Line Laser Module Model : VLM-635-57-15° Series Red Line Laser Module Model : VLM-635-57-110° Series Red Line Laser Module Model : VLM-635-57-10° Series