Description The ratchet headgear can be adjusted to 27 sizes. Easily tightened or loosened without removing the visor. Pivot tabs relieve pressure on temples. Soft vinyl sweatband. Adjustable headgear tension and crown strap adjust to four different height positions. Use K-T visors shown below. Exchangeable with Jackson Morsafe, Huntsman, Norton and Bullard visors. Meets ANSI Z87.1.