Hobart 770120 replacement ratchet headgear is designed to restore proper fit and stability on compatible Hobart welding helmets. The dial-style ratchet adjustment allows quick sizing changes and helps provide a secure, comfortable fit during welding applications. This listing is for the replacement headgear assembly only. Welding helmet shell and lens are not included. Product Details: - Brand: Hobart - Part Number: 770120 - Product Type: Replacement Welding Helmet Headgear - Adjustment Style: Ratchet - Color: Black - Quantity: 1 Headgear Assembly - Helmet shell and lens not included Compatibility can vary by Hobart helmet series and production year. Verify your exact helmet model before ordering and confirm whether existing mounting hardware must be reused. Inspect welding helmet headgear before use. Replace the headgear if it is cracked, loose, damaged, or if the ratchet mechanism no longer holds securely.