Based on this product's specifications, here are some alternatives and similar models
Nozzle Flashforge Creator 4 0.8mm Hardened – Flashforge 0.8 mm hardened steel nozzle for Creator 4
Summary description:
Hardened 0.8 mm nozzle designed for Flashforge Creator 4. Manufactured for use with abrasive and standard filaments, this hardened steel nozzle provides increased wear resistance compared with standard brass tips. Fits Creator 4 printer model, offers consistent 0.8 mm extrusion for faster, stronger prints and reduced nozzle wear when using filled or abrasive materials.