Law® OTG Protective Eyewear, Clear Lens, Polycarbonate, Anti Fog, Silver Frame no checkout self igniting system with safety lock self igniting system with safety lock that ensures the switch is not turned on when not in use Built in "refillable" plastic fuel tank pre flexed fingers and wing thumb reduce hand fatigue for extra worker comfort Rugged glove with chemical protection Superior dexterity and the high levels of wet and dry grip contribute to wearer safety and ultimately to the overall productivity Durable nylon frame with 5 position ratcheting temple design for optimum fit Non slip TPR temples for comfort and grip Over the glass designed to fit over prescription eyewear