Save Phace EFP Gen X Series Welding Mask - Reaper World's 1st & ONLY Welding helmet with an adjustable ADF integrated into a 180 Lens design., Ear to Ear Vision! 4/9-13 Adjustable ADF With GRIND Mode, ADF Sensitivity Adjustments, ADF Delay Adjustments High Quality ADF!, Made with Light Weight Super Tough Nylon. Face Forming profile allows you to get into tighter spaces., High quality Halo Headgear. Headgear adjustments allows you to move the helmet closer or further away from your face., All parts are replaceable and interchangeable with other series.