VeriShield™ 100 Series Passive Earmuffs, 25 dB, Black, Behind-the-Neck, VS120N no-checkout Power Blast Technology™ is a

VeriShield™ 100 Series Passive Earmuffs, 25 dB, Black, Behind the Neck, VS120N no checkout Power Blast Technology™ is a Power Blast Technology™ is a high speed blasting along the cutting edge that strengthens the blade to reduce breaks and increase durability Patented T2™ Technology reduces cutting forces on each tooth and optimizes chip removal to allow efficient cutting in the widest range of materials Patented metal cutting TPIs provide faster and more efficient cutting in the widest widest variety of materials Anchor Brand Stringer Bead Wheel Brushes and neckband styles Large dimension range provides comfortable fit that is 17% more adjustable than earlier versions Wide cup opening area increased by 16% over earlier versions New unique memory foam combines denser and softer foam than previous models