Nightstick Heavy-Duty Rubber Hard Hat Mount Black. The mount can be attached to the front of virtually any hard hat without compromising the integrity of the hard hat using a self-stick PSA adhesive. Specifications for Nightstick Heavy-Duty Rubber Hard Hat Mount: Manufacturer: Nightstick Color: Black Length: 1.7 in Width: 2.3 in Depth/Thickness: 0.6 in Weight: 0.4 oz Features of Nightstick Heavy-Duty Rubber Hard Hat Mount Heavy-duty rubber mount with adhesive backing Compatible with virtually all hard hats Works with Nightstick 5560/5561-Series cap lamps Chemical and heat resistant 1-Year Limited Warranty Package Contents: Nightstick Heavy-Duty Rubber Hard Hat Mount Nightstick NS-HMC9: Heavy-Duty Rubber Hard Hat Mount Black