Designed for use in hazardous locations, the Smith & Wesson® Heavy Duty Rubber High Caliber™ Series Models SW220, SW250, and SW350 are Underwriters Laboratories Inc. (UL) Certified and backed by a lifetime warranty to ensure long-lasting, safe use in the workplace. The scratch resistant, shatterproof lens keeps the high-performance krypton bulb protected and shining 200% brighter than standard issue bulbs. The High Caliber™ Series are also high-impact, weather, oil, grease, and chemical resistant, and its super tough, industrial strength rubber is designed with a firm grip textured handle and anti-roll bar to keep the flashlight safely in its user's control.