4V0900 MSA Safety Helmet Ratchet Wheel Adjustment Head Harness
MSA Fas-Trac® suspension with ratchet for easy adjustment. Standard size, webbed suspension fits most sized heads. MSA recommends replacing hard hats and caps every 60 months and suspensions every 18 months.
For use with MSA V-Gard® hard hats.
Support and impact absorption to V-Gard helmets