If you work or play in an environment that puts constant stress on your equipment, then look no further than the Polysteel line of flashlights. The middle size of the collection, the Polysteel 400 Flashlight is waterproof, drop proof, and crush proof while possessing our Pure Beam Optics System with twist focus to make the light ultra durable and ready to weather any storm. With a stainless steel core and a poly outer, we put this light to the test and it passed each one with style. Watch the videos above to see how they did...With Coast's commitment to quality, the Polysteel 400 Flashlight is impact resistant, waterproof and its LED is virtually unbreakable. The Polysteel 400 Flashlight is backed by Coast's lifetime warranty against defects in materials and workmanship. Tested and rated to ANSI/FL1 standards.BEAM OPTICS PURE BEAM FOCUSINGLIGHT OUTPUT (HIGH) 375 LUMENSLIGHT OUTPUT (LOW) 41 LUMENSBEAM DISTANCE (HIGH) 633 FT / 193 MBEAM DISTANCE (LOW) 206 FT / 63 MRUNTIME (HIGH