Msa 475359 Hard Hat, Type 1, Class E, Blue, 4 Point Ratchet, V Gard®, Reversible, Side Slots 4P866 3 ft lb Stop Rotation Yes 3 ft lb Stop Rotation Yes Includes (1) Handle Features Anti Vibration Main Handle Features a Longer Air Cushion in the Hammer Tube and Dampeners in the Handle to Help Reduce the Vibration From the Hammer'S Impact Mechanism Air Speed 135 mph For Use With Blow Out Concrete Holes and Tuck Pointing Features Variable Speed Trigger ANSI Classification Type 1 66 lb Reverse Donning Reversible Includes Accessory Slots Yes Includes Chin Strap No Headwear Style Front Brim Graphics Type No Graphics Venting No Includes Reflective Decals No Shell Color Blue Shell Pattern Solid Compatible Suspension Manufacturer Part Number 10148708 Country of Origin United States