3M Speedglas Trojan Warrior Welding Helmet 100 with Auto-Darkening Filter 100V- Shades 8-12, Model 07-0012-31TW Fully assembled welding helmet is ready to use Auto darkening filter (ADF) darkens instantly after detecting welding arc Three sensitivity settings on lens works for most types of welding Optical quality gives worker a good view of the work area Graphics display a bold Trojan Warrior theme