The 3M™ Speedglas™ 9100 Series Hard Hat Adapter is outfitted with attachments that mount the 3M™ Speedglas™ Welding Helmet 9100 and 9100 FX to a hard hat, which helps provide head protection to industrial workers. Designed from durable yet lightweight materials, with all necessary hardware for installation included, the hard hat adapter can be easily integrated with the hard hat.