Will fit all hard hats with universal accessory slots. Designed for added long-term comfort and increased protection. When not in use, the arms allow the ear cups to stand off clearly from the head.
Easy to attach and detach from helmet
Spring loaded arms provide an excellent fit to the ear
Soft foam ear cushions ensure comfortable wear
Durable polystyrene ear cups pivot and slide for a secure seal
NRR of 21 dB for protection against common industrial noise