Imperial 4916 Safety Hard Hat, Blue Handle Holders & Knobs Dimensions: 16"x16"x4"

Dimensions: 16"x16"x4"

Outdoor temporary range: alkaline batteries: -4 degrees F to 140 degrees F/-20 degrees C to 60 degrees C

Ultrasonic technology for whisper quiet

EPB is welded and primed

For use with any B&D or Dremel hobby tool

Imperial 4916 Safety Hard Hat, Blue Handle Holders & Knobs Dimensions: 16"x16"x4"Highlights: Color : blue Four point ratchet suspension fits head sizes 6 1 2 thru 7 3 4 Made of high density lightweight polyethylene Rain trough on sides and back of helmet channel moisture away Universal accessory slots for use with a wide variety of eye, face, and ear protection equipment Meets ANSI Z89. 1 1997 standards and complies with OSHA regulations