The SPEEDGLAS 100S 9000 Series Head Harness Blue is a replacement head harness designed for use with specific 3M Speedglas welding helmets. It is intended for welders requiring a comfortable and adjustable fit for their welding helmets in industrial and fabrication settings.

This head harness features a smooth ratchet mechanism with multiple adjustment points, allowing for a customised and secure fit tailored to individual preferences. It includes a sweatband to enhance comfort during extended welding tasks. The harness is compatible with Speedglas Welding Helmet Series 100, 9000, 9002NC, and SL models, ensuring reliable support and stability for these helmet types.

Please note that this head harness is not suitable for the Speedglas 9100 series helmets. For those helmets, the appropriate head harness is available under part number 533000.