Speedglas Head Harness 9100

Comfortable, fully-adjustable head harness; Smooth ratchet mechanism for precision tightening; Head gear features two adjustable crown straps, which provides better stability, balance and weight distribution; Headband has snag resistant knobs for adjusting helmet position while on your head; Suits the Speedglas™ Welding Helmet 9100, 9100 Air, 9100 FX & 9100 FX Air; Not suitable for the Speedglas 9100 MP