Insight Digital Variable ADF Welding Helmet, SH9 to SH13, Stars & Scars, 3.93 in x 2.36 in no checkout [Nom] 4 1 2 in Grit 46 [Nom] 4 1 2 in Grit 46 Hardness Grade A46S Hazmat NO Jan San Catalog NO Prop 65 NO Quarterly Flier NO Special Order NO Speed [Max] 13 tab lock headband Ratchet headband is strip proof and provides easy adjustment SwingStrap™ combines the benefits of both the ratchet and the 360° padded sweatband with the added ability to convert from forward to reverse wearing position without having to remove and reinstall the suspension Variable shades to shield and protect eyes from radiant energy during weld Viewing area offers unobstructed views during all stages of welding process without lifting hood Sensitivity and delay adjustments for different tasks and durations Weld and grind modes Four independent sensors reduce blockage possibility