250 25 0020 Semi Rimless Safety Readers with Black Frame, Clear Lens and Anti Scratch Coating +2.00 Diopter _related_hearing durability and protection ArcVent system SW01X 1PBS L durability and protection ArcVent system for enhanced ventilation Attachment is a universal fit design that works with full brim style hard hats only Integrated transparent chin protector for excellent downward vision & protection from hazards from below Anti fog lens coating ARC rating: ATPV 12 cal cm2 Weight compensating bracket Compatible with flashlight system (sold separately) Bracket: Nylon Shield: Polycarbonate ANSI Z87 Ideal fo sheet metal fabrication Magnification reader glasses are for the worker who needs to see up close The 30 mm wide "curved top" reading magnifier provides the worker with enough lens area to view his work throughout the day Durable nylon frame with extra wide latex free rubber nose pads for more comfort when working up close Temples with soft rubber pads provide a secure fit 8 Base curve lens +2 Sold as quantity: 12 Pairs