Welding Helmet Interchange System (38426), Attaches Hard Hat, Quick Release, Vertical Lock

Jackson Safety Welding Helmet Interchange System (38426), Attaches Hard Hat, Quick Release, Vertical Lock

Miller 259637 Hard Hat Adapter, Slotted, Complete Kit

Lincoln Electric Viking Hard Hat Adapter | Slotted Style | Compatible with 1740/1840/2450/3350 Series Welding Helmets | KP3486-1 ,Black